St. Louis MO Weather Watches, Warnings, Advisories, Statements (experimental)

This is NOT to be used for protection of life or property and is not a replacement for an All-Hazards Radio.
Use only central St. Louis metro S.A.M.E. codes
Use all counties in the St. Louis weather forecasting office area.

Experimental based on CAPS 1.1 feed from NOAA
Providing current severe weather warnings, watches and related information for the following counties.
Boone, MO; Callaway, MO; Audrain, MO; Montgomery, MO; Monroe, MO; Shelby, MO; Knox, MO; Lewis, MO; Marion, MO; RaIls, MO; Pike, MO; ; Pike, IL; Calhoun, IL; Lincoln, MO; Howard, MO; Cooper, MO; Moniteau, MO; Cole, MO; Osage, MO; Gasconade, MO; Franklin, MO; St. Louis, MO; St. Louis City, MO; Jefferson, MO; Crawford, MO; Washington, MO; St. Francois, MO; Ste. Genevieve, MO; Iron, MO; Phelps, MO; Perry, MO; Wayne, MO; Bollinger, MO; Warren, MO; St. Charles, MO; Madison, MO; Reynolds, MO; Greene, IL; Jersey, IL; Macoupin, IL; Madison, IL; St. Clair, IL; Monroe, IL; Randolph, IL; Montgomery, IL; Bond, IL; Fayette, IL; Clinton, IL; Washington, IL; Marion, IL; Brown, IL; Jefferson, IL; Wayne, IL; Perry, IL; Morgan, MO;

Missouri Can't get data at this time. This will be retried in less than 2 minutes. If this problem persists please check The NWS to see if more up to date info. is availble.

---

Current Watches, Warnings and Advisories for Missouri Issued by the National Weather Service
Updated: Tue, 09 Feb 2010 2:05:00 am CST *

County: Monroe, Ralls, Pike, Boone, Audrain, Moniteau, Cole, Osage, Callaway, Montgomery, Lincoln, Gasconade, Warren, St. Charles, Franklin, St. Louis, St. Louis City, Jefferson, Crawford, Washington, St. Francois, Ste. Genevieve, Iron, Madison, Reynolds (Missouri)
, WINTER STORM TO CONTINUE INTO TUESDAY, .A WINTER STORM WILL IMPACT THE BI-STATE REGION TONIGHT, AND THEN LINGER OVER PARTS OF NORTHEAST MISSOURI AND WEST CENTRAL AND SOUTHWEST ILLINOIS INTO TUESDAY. PRECIPITATION IS EXPECTED TO BE ALL SNOW WITH THIS SYSTEM, WITH A BROAD SWATH OF 2 TO 6 INCHES EXPECTED ACROSS THE REGION BY LATE TUESDAY AFTERNOON WHEN THE more...

Effective: Mon, 08 Feb 2010 4:07 pm CST
Expires: Tue, 09 Feb 2010 6:00 am CST
Urgency: Expected, Severity: Minor, Certainty: Likely

County: Knox, Lewis, Shelby, Marion (Missouri)
, WINTER STORM TO CONTINUE INTO TUESDAY, .A WINTER STORM WILL IMPACT THE BI-STATE REGION TONIGHT, AND THEN LINGER OVER PARTS OF NORTHEAST MISSOURI AND WEST CENTRAL AND SOUTHWEST ILLINOIS INTO TUESDAY. PRECIPITATION IS EXPECTED TO BE ALL SNOW WITH THIS SYSTEM, WITH A BROAD SWATH OF 2 TO 6 INCHES EXPECTED ACROSS THE REGION BY LATE TUESDAY AFTERNOON WHEN THE more...

Effective: Mon, 08 Feb 2010 4:07 pm CST
Expires: Tue, 09 Feb 2010 6:00 pm CST
Urgency: Expected, Severity: Minor, Certainty: Likely

County: Bollinger, Cape Girardeau, Wayne, Carter, Ripley, Butler, Stoddard, Scott, Mississippi, New Madrid (Missouri)
, WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 AM CST TUESDAY, A WINTER STORM WARNING FOR SNOW REMAINS IN EFFECT UNTIL 9 AM CST TUESDAY FOR PORTIONS OF SOUTHEAST MISSOURI, SOUTHERN ILLINOIS AND WESTERN KENTUCKY. * OCCASIONAL LIGHT TO MODERATE SNOW WILL CONTINUE OVERNIGHT. SNOW more...

Effective: Mon, 08 Feb 2010 10:21 pm CST
Expires: Tue, 09 Feb 2010 9:00 am CST
Urgency: Expected, Severity: Moderate, Certainty: Likely

County: Perry (Missouri)
, WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST TUESDAY, A WINTER WEATHER ADVISORY FOR SNOW REMAINS IN EFFECT UNTIL 9 AM CST TUESDAY FOR PORTIONS OF SOUTHERN ILLINOIS AND SOUTHEAST MISSOURI. * OCCASIONAL LIGHT TO MODERATE SNOW OVERNIGHT WILL LIKELY RESULT IN 1 TO 3 INCHES OF SNOW. THE SNOW WILL TAPER OFF TUESDAY MORNING. more...

Effective: Mon, 08 Feb 2010 10:21 pm CST
Expires: Tue, 09 Feb 2010 9:00 am CST
Urgency: Expected, Severity: Minor, Certainty: Likely

County: Benton, Morgan, Miller, Maries, Hickory, Camden, Pulaski, Phelps, Polk, Dallas, Laclede, Texas, Dent, Greene, Webster, Wright, Christian, Douglas, Howell, Shannon, Stone, Taney, Ozark, Oregon (Missouri)
, PERIODS OF SNOW THROUGH EARLY TUESDAY MORNING, .PERIODS OF SNOW WILL CONTINUE THIS EVENING BEFORE ENDING FROM WEST TO EAST ACROSS THE AREA INTO TUESDAY MORNING. THIS EVENING, HIGHER SNOWFALL RATES WILL BE POSSIBLE AS A COLD FRONT MOVES THROUGH CENTRAL AND EASTERN MISSOURI BRINGING ADDITIONAL ACCUMULATION OF 1 TO 3 INCHES. more...

Effective: Mon, 08 Feb 2010 8:44 pm CST
Expires: Tue, 09 Feb 2010 6:00 am CST
Urgency: Expected, Severity: Minor, Certainty: Likely

---

Current Watches, Warnings and Advisories for Illinois Issued by the National Weather Service
Updated: Mon, 08 Feb 2010 10:21:00 pm CST *

County: Brown, Cass, Morgan, Schuyler (Illinois)
, THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVER IN ILLINOIS, ILLINOIS RIVER AT HAVANA AFFECTING FULTON AND MASON COUNTIES ILLINOIS RIVER AT BEARDSTOWN AFFECTING BROWN, CASS, MORGAN AND SCHUYLER COUNTIES THE FOLLOWING FORECASTS ARE BASED ON OBSERVED PRECIPITATION AND PRECIPITATION FORECAST THE NEXT 24 HOURS. more...

Effective: Mon, 08 Feb 2010 8:24 pm CST
Expires: Sat, 13 Feb 2010 6:00 am CST
Urgency: Expected, Severity: Moderate, Certainty: Likely

County: Clinton (Illinois)
, THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVER IN ILLINOIS.. KASKASKIA RIVER AT , CARLYLE TAILWATER THE FLOOD WARNING CONTINUES FOR THE KASKASKIA RIVER AT CARLYLE TW * UNTIL FURTHER NOTICE. * AT 9:30 AM MONDAY THE STAGE WAS 424.6 FEET. more...

Effective: Mon, 08 Feb 2010 10:21 am CST
Expires: Tue, 09 Feb 2010 10:21 am CST
Urgency: Expected, Severity: Moderate, Certainty: Likely

County: Randolph, Calhoun, Jersey, Madison, St. Clair, Monroe (Illinois)
, WINTER STORM TO CONTINUE INTO TUESDAY, .A WINTER STORM WILL IMPACT THE BI-STATE REGION TONIGHT, AND THEN LINGER OVER PARTS OF NORTHEAST MISSOURI AND WEST CENTRAL AND SOUTHWEST ILLINOIS INTO TUESDAY. PRECIPITATION IS EXPECTED TO BE ALL SNOW WITH THIS SYSTEM, WITH A BROAD SWATH OF 2 TO 6 INCHES EXPECTED ACROSS THE REGION BY LATE TUESDAY AFTERNOON WHEN THE more...

Effective: Mon, 08 Feb 2010 4:07 pm CST
Expires: Tue, 09 Feb 2010 6:00 am CST
Urgency: Expected, Severity: Minor, Certainty: Likely

County: Greene, Macoupin, Montgomery, Bond, Fayette, Clinton, Marion, Washington (Illinois)
, WINTER STORM TO CONTINUE INTO TUESDAY, .A WINTER STORM WILL IMPACT THE BI-STATE REGION TONIGHT, AND THEN LINGER OVER PARTS OF NORTHEAST MISSOURI AND WEST CENTRAL AND SOUTHWEST ILLINOIS INTO TUESDAY. PRECIPITATION IS EXPECTED TO BE ALL SNOW WITH THIS SYSTEM, WITH A BROAD SWATH OF 2 TO 6 INCHES EXPECTED ACROSS THE REGION BY LATE TUESDAY AFTERNOON WHEN THE more...

Effective: Mon, 08 Feb 2010 4:07 pm CST
Expires: Tue, 09 Feb 2010 12:00 pm CST
Urgency: Expected, Severity: Minor, Certainty: Likely

County: Adams, Brown, Pike (Illinois)
, WINTER STORM TO CONTINUE INTO TUESDAY, .A WINTER STORM WILL IMPACT THE BI-STATE REGION TONIGHT, AND THEN LINGER OVER PARTS OF NORTHEAST MISSOURI AND WEST CENTRAL AND SOUTHWEST ILLINOIS INTO TUESDAY. PRECIPITATION IS EXPECTED TO BE ALL SNOW WITH THIS SYSTEM, WITH A BROAD SWATH OF 2 TO 6 INCHES EXPECTED ACROSS THE REGION BY LATE TUESDAY AFTERNOON WHEN THE more...

Effective: Mon, 08 Feb 2010 4:07 pm CST
Expires: Tue, 09 Feb 2010 6:00 pm CST
Urgency: Expected, Severity: Minor, Certainty: Likely

County: Perry, Jackson (Illinois)
, WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST TUESDAY, A WINTER WEATHER ADVISORY FOR SNOW REMAINS IN EFFECT UNTIL 9 AM CST TUESDAY FOR PORTIONS OF SOUTHERN ILLINOIS AND SOUTHEAST MISSOURI. * OCCASIONAL LIGHT TO MODERATE SNOW OVERNIGHT WILL LIKELY RESULT IN 1 TO 3 INCHES OF SNOW. THE SNOW WILL TAPER OFF TUESDAY MORNING. more...

Effective: Mon, 08 Feb 2010 10:21 pm CST
Expires: Tue, 09 Feb 2010 9:00 am CST
Urgency: Expected, Severity: Minor, Certainty: Likely

County: Jefferson, Wayne, Edwards, Wabash, Franklin, Hamilton, White (Illinois)
, WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON CST TUESDAY, A WINTER WEATHER ADVISORY FOR SNOW REMAINS IN EFFECT UNTIL NOON CST TUESDAY FOR PORTIONS OF SOUTHERN ILLINOIS. * OCCASIONAL LIGHT TO MODERATE SNOW OVERNIGHT WILL LIKELY RESULT IN 1 TO 3 INCHES OF SNOW. THE SNOW WILL TAPER OFF TUESDAY MORNING. more...

Effective: Mon, 08 Feb 2010 10:21 pm CST
Expires: Tue, 09 Feb 2010 12:00 pm CST
Urgency: Expected, Severity: Minor, Certainty: Likely



Summary:

---

Find cities in Missouri
Find cities in Illinois

---

Known issues in the XML feed from NOAA:
Geocoding S.A.M.E. codes are currently missing from the feed.
Counties are sometimes mispelled.
Times from some offices are not sending the correct timezone with them.

---

Outlook: Used to give considerable lead time that a hazardous event may develop.

Watch: Issued when the risk of a hazardous weather or hydrologic event has increased significantly, but its occurrence, location, and/or timing is still uncertain. It is intended to provide enough lead time so those who need to set their plans in motion can do so.

Warning: Issued when a hazardous event is occurring or has a very high probability of occurrence. Warnings advise of a threat to life or property.

Advisory: Issued when a hazardous event is occurring or has a very high probability of occurrence. Advisories describe events that cause significant inconvenience.

Short-Fuse Warning: A warning issued by the NWS for a local weather hazard of relatively short duration. Short-fuse warnings include tornado warnings, severe thunderstorm warnings, and flash flood warnings. Tornado and severe thunderstorm warnings typically are issued for periods of an hour or less, flash flood warnings typically for three hours or less.

Short Term Forecast: This National Weather Service narrative summary describes the weather in the local area and includes a short-range forecast (usually not more than 6 hours). This product will be updated more frequently when it is used during active weather. This product is also sometimes referred to as a "NOWcast".

urgency
“Immediate” - Responsive action SHOULD be taken immediately
“Expected” - Responsive action SHOULD be taken soon (within next hour)
“Future” - Responsive action SHOULD be taken in the near future
“Past” - Responsive action is no longer required
“Unknown” - Urgency not known

severity
“Extreme” - Extraordinary threat to life or property
“Severe” - Significant threat to life or property
“Moderate” - Possible threat to life or property
“Minor” - Minimal threat to life or property
“Unknown” - Severity unknown

certainty
“Observed” – Determined to have occurred or to be ongoing.
“Likely” - Likely (p > ~50%)
“Possible” - Possible but not likely (p <= ~50%)
“Unlikely” - Not expected to occur (p ~ 0)
“Unknown” - Certainty unknown