Alert archive / Missouri / Freeze Warnings in 2009
Freeze Warning 2, NWS St. Louis, MO
NWS St. Louis, MO issued this freeze warning at Apr 5, 2009, 3:25 PM CDT for 22 counties in Missouri; 11 counties in Illinois. It took effect at Apr 6, 2009, 9:00 PM CDT. It was in force for 11 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Apr 5, 2009, 3:25 PM CDT (20:25 UTC)
- In effect from
- Apr 6, 2009, 9:00 PM CDT
- Expired
- Apr 7, 2009, 8:29 AM CDT
- In force
- 11 hr
- Issued by
- NWS St. Louis, MO
All 33 counties
Bond County, IL, Calhoun County, IL, Clinton County, IL, Fayette County, IL, Jersey County, IL, Madison County, IL, Marion County, IL, Monroe County, IL, Randolph County, IL, Saint Clair County, IL, Washington County, IL, Audrain County, MO, Boone County, MO, Callaway County, MO, City of Saint Louis, MO, Cole County, MO, Crawford County, MO, Franklin County, MO, Gasconade County, MO, Iron County, MO, Jefferson County, MO, Lincoln County, MO, Madison County, MO, Moniteau County, MO, Montgomery County, MO, Osage County, MO, Reynolds County, MO, Saint Charles County, MO, Saint Francois County, MO, Saint Louis County, MO, Sainte Genevieve County, MO, Warren County, MO, Washington County, MO
The radar
The St Louis radar (KLSX), 24 km from the middle of the area, began a volume at 20:26 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 8.4 hours before the alert went out and 258 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1159 m above ground
- 0-6 km bulk shear
- 77 kt
- 0-1 km storm-relative helicity
- 422 m²/s²
- 0-3 km storm-relative helicity
- 449 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS73 KLSX 052025 NPWLSX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 325 PM CDT SUN APR 5 2009 ILZ098-099-MOZ041-042-047>052-059>062-072-073-061000- /O.NEW.KLSX.FZ.W.0002.090407T0000Z-090407T1400Z/ /O.EXT.KLSX.FZ.A.0001.090408T0600Z-090408T1400Z/ /O.CON.KLSX.FZ.W.0001.090406T0600Z-090406T1400Z/ CALHOUN IL-JERSEY IL-BOONE-AUDRAIN-MONITEAU-COLE-OSAGE-CALLAWAY- MONTGOMERY-LINCOLN-GASCONADE-WARREN-ST. CHARLES-FRANKLIN-CRAWFORD- WASHINGTON- INCLUDING THE CITIES OF...COLUMBIA...MEXICO...JEFFERSON CITY... ST CHARLES...UNION 325 PM CDT SUN APR 5 2009 ...FREEZE WARNING REMAINS IN EFFECT FROM 1 AM TO 9 AM CDT MONDAY... ...FREEZE WARNING IN EFFECT FROM 7 PM MONDAY TO 9 AM CDT TUESDAY... ...FREEZE WATCH NOW IN EFFECT FROM LATE TUESDAY NIGHT THROUGH WEDNESDAY MORNING... THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A FREEZE WARNING...WHICH IS IN EFFECT FROM 7 PM MONDAY TO 9 AM CDT TUESDAY. THE FREEZE WATCH IS NOW IN EFFECT FROM LATE TUESDAY NIGHT THROUGH WEDNESDAY MORNING. A FREEZE WARNING REMAINS IN EFFECT FROM 1 AM TO 9 AM CDT MONDAY. AN UNSEASONABLY COLD AIRMASS WILL MOVE INTO MISSOURI AND ILLINOIS TONIGHT AND REMAIN OVER THE AREA EARLY THIS WEEK. LOW TEMPERATURES TONIGHT WILL FALL TO AROUND 30 DEGREES. TEMPERATURES WILL FALL INTO THE MIDDLE AND UPPER 20S FOR SEVERAL HOURS ON MONDAY NIGHT AND EARLY TUESDAY WHICH MAY CAUSE A MORE WIDESPREAD HARD OR KILLING FREEZE ON TENDER VEGETATION. THE COLD AIRMASS MAY BEGIN TO PULL AWAY FROM THE AREA ON TUESDAY NIGHT...BUT SKIES ARE EXPECTED TO BE MOSTLY CLEAR AND THE WINDS WILL BE RELATIVELY LIGHT. LOWS ARE STILL EXPECTED TO BE NEAR 30 DEGREES...SO THE FREEZE WATCH REMAINS IN EFFECT. PRECAUTIONARY/PREPAREDNESS ACTIONS... MANY SHRUBS...TREES...AND FLOWERS HAVE ALREADY STARTED BLOOMING ACROSS THE REGION AND ARE SUSCEPTIBLE TO FREEZING TEMPERATURES. COMMERCIAL GROWERS AND HOME GARDENERS ALIKE SHOULD START PLANNING FOR AN EXTENDED PERIOD OF BELOW NORMAL TEMPERATURES. PROTECTING TENDER VEGETATION AND BRINGING ANY POTTED PLANTS INDOORS IS ADVISED AND MAY REDUCE THE AMOUNT OF ECONOMIC LOSS ASSOCIATED WITH A HARD FREEZE. && $$ ILZ064-100>102-MOZ063>065-084-099-061000- /O.NEW.KLSX.FZ.W.0002.090407T0000Z-090407T1400Z/ /O.EXA.KLSX.FZ.W.0001.090406T0600Z-090406T1400Z/ /O.EXT.KLSX.FZ.A.0001.090408T0600Z-090408T1400Z/ BOND IL-MADISON IL-ST. CLAIR IL-MONROE IL-ST. LOUIS- ST. LOUIS CITY-JEFFERSON-IRON-REYNOLDS- INCLUDING THE CITIES OF...EDWARDSVILLE...BELLEVILLE...ST LOUIS 325 PM CDT SUN APR 5 2009 ...FREEZE WARNING IN EFFECT FROM 1 AM TO 9 AM CDT MONDAY... ...FREEZE WARNING IN EFFECT FROM 7 PM MONDAY TO 9 AM CDT TUESDAY... ...FREEZE WATCH NOW IN EFFECT FROM LATE TUESDAY NIGHT THROUGH WEDNESDAY MORNING... THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A FREEZE WARNING...WHICH IS IN EFFECT FROM 1 AM TO 9 AM CDT MONDAY. A FREEZE WARNING HAS ALSO BEEN ISSUED FROM 7 PM MONDAY TO 9 AM CDT TUESDAY. THE FREEZE WATCH IS NOW IN EFFECT FROM LATE TUESDAY NIGHT THROUGH WEDNESDAY MORNING. AN UNSEASONABLY COLD AIRMASS WILL MOVE INTO MISSOURI AND ILLINOIS TONIGHT AND REMAIN OVER THE AREA EARLY THIS WEEK. LOW TEMPERATURES TONIGHT WILL FALL INTO THE LOWER 30S. TEMPERATURES WILL FALL INTO THE MIDDLE AND UPPER 20S FOR SEVERAL HOURS ON MONDAY NIGHT AND EARLY TUESDAY WHICH MAY CAUSE A MORE WIDESPREAD HARD OR KILLING FREEZE ON TENDER VEGETATION. THE COLD AIRMASS MAY BEGIN TO PULL AWAY FROM THE AREA ON TUESDAY NIGHT...BUT SKIES ARE EXPECTED TO BE MOSTLY CLEAR AND THE WINDS WILL BE RELATIVELY LIGHT. LOWS ARE STILL EXPECTED TO BE NEAR 30 DEGREES...SO THE FREEZE WATCH REMAINS IN EFFECT. PRECAUTIONARY/PREPAREDNESS ACTIONS... MANY SHRUBS...TREES...AND FLOWERS HAVE ALREADY STARTED BLOOMING ACROSS THE REGION AND ARE SUSCEPTIBLE TO FREEZING TEMPERATURES. COMMERCIAL GROWERS AND HOME GARDENERS ALIKE SHOULD START PLANNING FOR AN EXTENDED PERIOD OF BELOW NORMAL TEMPERATURES. PROTECTING TENDER VEGETATION AND BRINGING ANY POTTED PLANTS INDOORS IS ADVISED AND MAY REDUCE THE AMOUNT OF ECONOMIC LOSS ASSOCIATED WITH A HARD FREEZE. && $$ ILZ065-069-070-074-079-MOZ074-075-085-061000- /O.NEW.KLSX.FZ.W.0002.090407T0000Z-090407T1400Z/ /O.EXT.KLSX.FZ.A.0001.090408T0600Z-090408T1400Z/ FAYETTE IL-CLINTON IL-MARION IL-WASHINGTON IL-RANDOLPH IL- ST. FRANCOIS-STE. GENEVIEVE-MADISON- INCLUDING THE CITIES OF...VANDALIA...SALEM...CHESTER...FARMINGTON 325 PM CDT SUN APR 5 2009 ...FREEZE WARNING IN EFFECT FROM 7 PM MONDAY TO 9 AM CDT TUESDAY... ...FREEZE WATCH NOW IN EFFECT FROM LATE TUESDAY NIGHT THROUGH WEDNESDAY MORNING... THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A FREEZE WARNING...WHICH IS IN EFFECT FROM 7 PM MONDAY TO 9 AM CDT TUESDAY. THE FREEZE WATCH IS NOW IN EFFECT FROM LATE TUESDAY NIGHT THROUGH WEDNESDAY MORNING. AN UNSEASONABLY COLD AIRMASS WILL BUILD INTO THE REGION TONIGHT AND THEN DOMINATE OUR WEATHER THROUGH THE MIDDLE PART OF THIS WEEK. TEMPERATURES ARE EXPECTED TO FALL INTO THE LOWER 30S BY DAYBREAK MONDAY MORNING...BUT AS OF RIGHT NOW...ANY TIME SPENT BELOW FREEZING IS EXPECTED TO BE BRIEF. TEMPERATURES WILL FALL INTO THE MIDDLE AND UPPER 20S FOR SEVERAL HOURS ON MONDAY NIGHT AND EARLY TUESDAY WHICH MAY CAUSE A WIDESPREAD HARD OR KILLING FREEZE ON TENDER VEGETATION. THE COLD AIRMASS MAY BEGIN TO PULL AWAY FROM THE AREA ON TUESDAY NIGHT...BUT SKIES ARE EXPECTED TO BE MOSTLY CLEAR AND THE WINDS WILL BE RELATIVELY LIGHT. LOWS ARE STILL EXPECTED TO BE NEAR 30 DEGREES...SO THE FREEZE WATCH REMAINS IN EFFECT. PRECAUTIONARY/PREPAREDNESS ACTIONS... MANY SHRUBS...TREES...AND FLOWERS HAVE ALREADY STARTED BLOOMING ACROSS THE REGION AND ARE SUSCEPTIBLE TO FREEZING TEMPERATURES. COMMERCIAL GROWERS AND HOME GARDENERS ALIKE SHOULD START PLANNING FOR AN EXTENDED PERIOD OF BELOW NORMAL TEMPERATURES. PROTECTING TENDER VEGETATION AND BRINGING ANY POTTED PLANTS INDOORS IS ADVISED AND MAY REDUCE THE AMOUNT OF ECONOMIC LOSS ASSOCIATED WITH A HARD FREEZE. && $$ BRITT
5 follow-up statements
000 WWUS73 KLSX 060840 NPWLSX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 340 AM CDT MON APR 6 2009 ILZ064-098>102-MOZ052-060>065-072-073-084-099-062130- /O.CAN.KLSX.FZ.W.0001.000000T0000Z-090406T1400Z/ /O.CON.KLSX.FZ.W.0002.090407T0000Z-090407T1400Z/ /O.CON.KLSX.FZ.A.0001.090408T0600Z-090408T1400Z/ BOND IL-CALHOUN IL-JERSEY IL-MADISON IL-ST. CLAIR IL-MONROE IL- LINCOLN-WARREN-ST. CHARLES-FRANKLIN-ST. LOUIS-ST. LOUIS CITY- JEFFERSON-CRAWFORD-WASHINGTON-IRON-REYNOLDS- INCLUDING THE CITIES OF...EDWARDSVILLE...BELLEVILLE... ST CHARLES...UNION...ST LOUIS 340 AM CDT MON APR 6 2009 ...FREEZE WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 9 AM CDT TUESDAY... ...FREEZE WATCH REMAINS IN EFFECT FROM LATE TUESDAY NIGHT THROUGH WEDNESDAY MORNING... ...FREEZE WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS CANCELLED THE FREEZE WARNING. A FREEZE WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 9 AM CDT TUESDAY. A FREEZE WATCH REMAINS IN EFFECT FROM LATE TUESDAY NIGHT THROUGH WEDNESDAY MORNING. AN UNSEASONABLY COLD AIRMASS WILL DOMINATE THE MID MISSISSIPPI VALLEY REGION UNTIL MID WEEK. HOWEVER...TEMPERATURES WILL EITHER FAIL TO GET BELOW FREEZING OR MAY VERY BRIEFLY TOUCH THE FREEZING MARK THIS MORNING BEFORE TEMPERATURES INCREASE AFTER SUNRISE. AS A RESULT...THE FREEZE WARNING FOR THIS MORNING HAS BEEN CANCELLED. LOOK FOR LOW TEMPERATURES IN THE MID TO UPPER 20S FOR SEVERAL HOURS ON MONDAY NIGHT AND EARLY TUESDAY WHICH MAY CAUSE A MORE WIDESPREAD HARD OR KILLING FREEZE ON TENDER VEGETATION. THE COLD AIRMASS WILL BEGIN TO SLOWLY PULL AWAY FROM THE AREA ON TUESDAY NIGHT...BUT SKIES ARE EXPECTED TO BE CLEAR AND THE WINDS WILL BE RELATIVELY LIGHT. LOWS ARE STILL EXPECTED TO BE IN THE LOWER 30S...SO THE FREEZE WATCH REMAINS IN EFFECT. PRECAUTIONARY/PREPAREDNESS ACTIONS... MANY SHRUBS...TREES...AND FLOWERS HAVE ALREADY STARTED BLOOMING ACROSS THE REGION AND ARE SUSCEPTIBLE TO FREEZING TEMPERATURES. COMMERCIAL GROWERS AND HOME GARDENERS ALIKE SHOULD START PLANNING FOR AN EXTENDED PERIOD OF BELOW NORMAL TEMPERATURES. PROTECTING TENDER VEGETATION AND BRINGING ANY POTTED PLANTS INDOORS IS ADVISED AND MAY REDUCE THE AMOUNT OF ECONOMIC LOSS ASSOCIATED WITH A HARD FREEZE. && $$ MOZ041-042-047>051-059-062130- /O.CON.KLSX.FZ.W.0001.000000T0000Z-090406T1400Z/ /O.CON.KLSX.FZ.W.0002.090407T0000Z-090407T1400Z/ /O.CON.KLSX.FZ.A.0001.090408T0600Z-090408T1400Z/ BOONE-AUDRAIN-MONITEAU-COLE-OSAGE-CALLAWAY-MONTGOMERY-GASCONADE- INCLUDING THE CITIES OF...COLUMBIA...MEXICO...JEFFERSON CITY 340 AM CDT MON APR 6 2009 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM CDT THIS MORNING... ...FREEZE WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 9 AM CDT TUESDAY... ...FREEZE WATCH REMAINS IN EFFECT FROM LATE TUESDAY NIGHT THROUGH WEDNESDAY MORNING... A FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM CDT THIS MORNING. A FREEZE WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 9 AM CDT TUESDAY. A FREEZE WATCH REMAINS IN EFFECT FROM LATE TUESDAY NIGHT THROUGH WEDNESDAY MORNING. AN UNSEASONABLY COLD AIRMASS WILL DOMINATE THE MID MISSISSIPPI VALLEY REGION UNTIL MID WEEK. AFTER ONE BOUT OF TEMPERATURES FALLING BELOW FREEZING THIS MORNING...LOOK FOR LOW TEMPERATURES IN THE MID TO UPPER 20S FOR SEVERAL HOURS ON MONDAY NIGHT AND EARLY TUESDAY WHICH MAY CAUSE A MORE WIDESPREAD HARD OR KILLING FREEZE ON TENDER VEGETATION. THE COLD AIRMASS WILL BEGIN TO SLOWLY PULL AWAY FROM THE AREA ON TUESDAY NIGHT...BUT SKIES ARE EXPECTED TO BE CLEAR AND THE WINDS WILL BE RELATIVELY LIGHT. LOWS ARE STILL EXPECTED TO BE IN THE LOWER 30S...SO THE FREEZE WATCH REMAINS IN EFFECT. PRECAUTIONARY/PREPAREDNESS ACTIONS... MANY SHRUBS...TREES...AND FLOWERS HAVE ALREADY STARTED BLOOMING ACROSS THE REGION AND ARE SUSCEPTIBLE TO FREEZING TEMPERATURES. COMMERCIAL GROWERS AND HOME GARDENERS ALIKE SHOULD START PLANNING FOR AN EXTENDED PERIOD OF BELOW NORMAL TEMPERATURES. PROTECTING TENDER VEGETATION AND BRINGING ANY POTTED PLANTS INDOORS IS ADVISED AND MAY REDUCE THE AMOUNT OF ECONOMIC LOSS ASSOCIATED WITH A HARD FREEZE. && $$ ILZ065-069-070-074-079-MOZ074-075-085-062130- /O.CON.KLSX.FZ.W.0002.090407T0000Z-090407T1400Z/ /O.CON.KLSX.FZ.A.0001.090408T0600Z-090408T1400Z/ FAYETTE IL-CLINTON IL-MARION IL-WASHINGTON IL-RANDOLPH IL- ST. FRANCOIS-STE. GENEVIEVE-MADISON- INCLUDING THE CITIES OF...VANDALIA...SALEM...CHESTER...FARMINGTON 340 AM CDT MON APR 6 2009 ...FREEZE WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 9 AM CDT TUESDAY... ...FREEZE WATCH REMAINS IN EFFECT FROM LATE TUESDAY NIGHT THROUGH WEDNESDAY MORNING... A FREEZE WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 9 AM CDT TUESDAY. A FREEZE WATCH REMAINS IN EFFECT FROM LATE TUESDAY NIGHT THROUGH WEDNESDAY MORNING. AN UNSEASONABLY COLD AIRMASS WILL DOMINATE THE MID MISSISSIPPI VALLEY REGION UNTIL MID WEEK. LOOK FOR LOW TEMPERATURES IN THE MID TO UPPER 20S FOR SEVERAL HOURS ON MONDAY NIGHT AND EARLY TUESDAY WHICH MAY CAUSE A MORE WIDESPREAD HARD OR KILLING FREEZE ON TENDER VEGETATION. THE COLD AIRMASS WILL BEGIN TO SLOWLY PULL AWAY FROM THE AREA ON TUESDAY NIGHT...BUT SKIES ARE EXPECTED TO BE CLEAR AND THE WINDS WILL BE RELATIVELY LIGHT. LOWS ARE STILL EXPECTED TO BE IN THE LOWER 30S...SO THE FREEZE WATCH REMAINS IN EFFECT. PRECAUTIONARY/PREPAREDNESS ACTIONS... MANY SHRUBS...TREES...AND FLOWERS HAVE ALREADY STARTED BLOOMING ACROSS THE REGION AND ARE SUSCEPTIBLE TO FREEZING TEMPERATURES. COMMERCIAL GROWERS AND HOME GARDENERS ALIKE SHOULD START PLANNING FOR AN EXTENDED PERIOD OF BELOW NORMAL TEMPERATURES. PROTECTING TENDER VEGETATION AND BRINGING ANY POTTED PLANTS INDOORS IS ADVISED AND MAY REDUCE THE AMOUNT OF ECONOMIC LOSS ASSOCIATED WITH A HARD FREEZE. && $$ TES
000 WWUS73 KLSX 061410 NPWLSX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 910 AM CDT MON APR 6 2009 MOZ041-042-047>051-059-070215- /O.EXP.KLSX.FZ.W.0001.000000T0000Z-090406T1400Z/ /O.CON.KLSX.FZ.W.0002.090407T0000Z-090407T1400Z/ /O.CON.KLSX.FZ.A.0001.090408T0600Z-090408T1400Z/ BOONE-AUDRAIN-MONITEAU-COLE-OSAGE-CALLAWAY-MONTGOMERY-GASCONADE- INCLUDING THE CITIES OF...COLUMBIA...MEXICO...JEFFERSON CITY 910 AM CDT MON APR 6 2009 ...FREEZE WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 9 AM CDT TUESDAY... ...FREEZE WATCH REMAINS IN EFFECT FROM LATE TUESDAY NIGHT THROUGH WEDNESDAY MORNING... ...FREEZE WARNING HAS EXPIRED... THE FREEZE WARNING IS NO LONGER IN EFFECT AS TEMPERATURES HAVE RECENTLY RISEN ABOVE FREEZING OVER MUCH OF THE AREA THIS MORNING. A FREEZE WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 9 AM CDT TUESDAY. A FREEZE WATCH REMAINS IN EFFECT FROM LATE TUESDAY NIGHT THROUGH WEDNESDAY MORNING. AN UNSEASONABLY COLD AIRMASS WILL DOMINATE THE MID MISSISSIPPI VALLEY REGION UNTIL MID WEEK. AFTER ONE BOUT OF TEMPERATURES FALLING BELOW FREEZING THIS MORNING...LOOK FOR LOW TEMPERATURES IN THE MID TO UPPER 20S FOR SEVERAL HOURS ON MONDAY NIGHT AND EARLY TUESDAY WHICH MAY CAUSE A MORE WIDESPREAD HARD OR KILLING FREEZE ON TENDER VEGETATION. THE COLD AIRMASS WILL BEGIN TO SLOWLY PULL AWAY FROM THE AREA ON TUESDAY NIGHT...BUT SKIES ARE EXPECTED TO BE CLEAR AND THE WINDS WILL BE RELATIVELY LIGHT. LOWS ARE STILL EXPECTED TO BE IN THE LOWER 30S...SO THE FREEZE WATCH REMAINS IN EFFECT. MANY SHRUBS...TREES...AND FLOWERS HAVE ALREADY STARTED BLOOMING ACROSS THE REGION AND ARE SUSCEPTIBLE TO FREEZING TEMPERATURES. COMMERCIAL GROWERS AND HOME GARDENERS ALIKE SHOULD START PLANNING FOR AN EXTENDED PERIOD OF BELOW NORMAL TEMPERATURES. PROTECTING TENDER VEGETATION AND BRINGING ANY POTTED PLANTS INDOORS IS ADVISED AND MAY REDUCE THE AMOUNT OF ECONOMIC LOSS ASSOCIATED WITH A HARD FREEZE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING IS ISSUED WHEN SUB-FREEZING TEMPERATURES ARE FORECAST TO THREATEN OUTDOOR PLANTS. THOSE WITH AGRICULTURAL INTERESTS IN THE WARNED AREA ARE ADVISED TO HARVEST OR PROTECT TENDER VEGETATION. ALSO...POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT INSIDE AWAY FROM THE COLD. A FREEZE WATCH IS ISSUED WHEN SUB-FREEZING TEMPERATURES ARE POSSIBLE. THESE CONDITIONS COULD DAMAGE OR KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$ ILZ064-065-069-070-074-079-098>102-MOZ052-060>065-072>075-084-085- 099-070215- /O.CON.KLSX.FZ.W.0002.090407T0000Z-090407T1400Z/ /O.CON.KLSX.FZ.A.0001.090408T0600Z-090408T1400Z/ BOND IL-FAYETTE IL-CLINTON IL-MARION IL-WASHINGTON IL-RANDOLPH IL- CALHOUN IL-JERSEY IL-MADISON IL-ST. CLAIR IL-MONROE IL-LINCOLN- WARREN-ST. CHARLES-FRANKLIN-ST. LOUIS-ST. LOUIS CITY-JEFFERSON- CRAWFORD-WASHINGTON-ST. FRANCOIS-STE. GENEVIEVE-IRON-MADISON- REYNOLDS- INCLUDING THE CITIES OF...VANDALIA...SALEM...CHESTER... EDWARDSVILLE...BELLEVILLE...ST CHARLES...UNION...ST LOUIS... FARMINGTON 910 AM CDT MON APR 6 2009 ...FREEZE WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 9 AM CDT TUESDAY... ...FREEZE WATCH REMAINS IN EFFECT FROM LATE TUESDAY NIGHT THROUGH WEDNESDAY MORNING... A FREEZE WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 9 AM CDT TUESDAY. A FREEZE WATCH REMAINS IN EFFECT FROM LATE TUESDAY NIGHT THROUGH WEDNESDAY MORNING. AN UNSEASONABLY COLD AIRMASS WILL DOMINATE THE MID MISSISSIPPI VALLEY REGION UNTIL MID WEEK. LOOK FOR LOW TEMPERATURES IN THE MID TO UPPER 20S FOR SEVERAL HOURS ON MONDAY NIGHT AND EARLY TUESDAY WHICH MAY CAUSE A MORE WIDESPREAD HARD OR KILLING FREEZE ON TENDER VEGETATION. THE COLD AIRMASS WILL BEGIN TO SLOWLY PULL AWAY FROM THE AREA ON TUESDAY NIGHT...BUT SKIES ARE EXPECTED TO BE CLEAR AND THE WINDS WILL BE RELATIVELY LIGHT. LOWS ARE STILL EXPECTED TO BE IN THE LOWER 30S...SO THE FREEZE WATCH REMAINS IN EFFECT. PRECAUTIONARY/PREPAREDNESS ACTIONS... MANY SHRUBS...TREES...AND FLOWERS HAVE ALREADY STARTED BLOOMING ACROSS THE REGION AND ARE SUSCEPTIBLE TO FREEZING TEMPERATURES. COMMERCIAL GROWERS AND HOME GARDENERS ALIKE SHOULD START PLANNING FOR AN EXTENDED PERIOD OF BELOW NORMAL TEMPERATURES. PROTECTING TENDER VEGETATION AND BRINGING ANY POTTED PLANTS INDOORS IS ADVISED AND MAY REDUCE THE AMOUNT OF ECONOMIC LOSS ASSOCIATED WITH A HARD FREEZE. && $$ GKS
000 WWUS73 KLSX 061934 NPWLSX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 234 PM CDT MON APR 6 2009 ILZ064-065-069-070-074-079-098>102-MOZ041-042-047>052-059>065- 072>075-084-085-099-070900- /O.EXT.KLSX.FZ.W.0002.090407T0200Z-090407T1400Z/ /O.CON.KLSX.FZ.A.0001.090408T0600Z-090408T1400Z/ BOND IL-FAYETTE IL-CLINTON IL-MARION IL-WASHINGTON IL-RANDOLPH IL- CALHOUN IL-JERSEY IL-MADISON IL-ST. CLAIR IL-MONROE IL-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- INCLUDING THE CITIES OF...VANDALIA...SALEM...CHESTER... EDWARDSVILLE...BELLEVILLE...COLUMBIA...MEXICO...JEFFERSON CITY... ST CHARLES...UNION...ST LOUIS...FARMINGTON 234 PM CDT MON APR 6 2009 ...FREEZE WARNING NOW IN EFFECT FROM 9 PM THIS EVENING TO 9 AM CDT TUESDAY... ...FREEZE WATCH REMAINS IN EFFECT FROM LATE TUESDAY NIGHT THROUGH WEDNESDAY MORNING... THE FREEZE WARNING IS NOW IN EFFECT FROM 9 PM THIS EVENING TO 9 AM CDT TUESDAY. A FREEZE WATCH REMAINS IN EFFECT FROM LATE TUESDAY NIGHT THROUGH WEDNESDAY MORNING. NORTHWEST WINDS WILL CONTINUE TO BRING COLD AIR INTO THE REGION TONIGHT. TEMPERATURES WILL FALL INTO THE MIDDLE TO UPPER 20S FOR SEVERAL HOURS TONIGHT AND EARLY TUESDAY WHICH WILL CAUSE HARM TO ANY TENDER VEGETATION THAT HAS ALREADY BEGUN TO GROW THIS SPRING. THE COLD AIRMASS WILL BEGIN TO SLOWLY PULL AWAY FROM THE AREA ON TUESDAY NIGHT...BUT SKIES ARE EXPECTED TO BE CLEAR AND THE WINDS WILL BE RELATIVELY LIGHT. LOWS ARE STILL EXPECTED TO BE IN THE LOWER 30S...SO THE FREEZE WATCH REMAINS IN EFFECT. PRECAUTIONARY/PREPAREDNESS ACTIONS... MANY SHRUBS...TREES...AND FLOWERS HAVE ALREADY STARTED BLOOMING ACROSS THE REGION AND ARE SUSCEPTIBLE TO FREEZING TEMPERATURES. COMMERCIAL GROWERS AND HOME GARDENERS ALIKE SHOULD START PLANNING FOR AN EXTENDED PERIOD OF BELOW NORMAL TEMPERATURES. PROTECTING TENDER VEGETATION AND BRINGING ANY POTTED PLANTS INDOORS IS ADVISED AND MAY REDUCE THE AMOUNT OF ECONOMIC LOSS ASSOCIATED WITH A HARD FREEZE. && $$ BRITT
000 WWUS73 KLSX 070832 NPWLSX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 332 AM CDT TUE APR 7 2009 ILZ064-065-069-070-074-079-098>102-MOZ041-042-047>052-059>065- 072>075-084-085-099-071415- /O.CON.KLSX.FZ.W.0002.000000T0000Z-090407T1400Z/ /O.CON.KLSX.FZ.A.0001.090408T0600Z-090408T1400Z/ BOND IL-FAYETTE IL-CLINTON IL-MARION IL-WASHINGTON IL-RANDOLPH IL- CALHOUN IL-JERSEY IL-MADISON IL-ST. CLAIR IL-MONROE IL-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- INCLUDING THE CITIES OF...VANDALIA...SALEM...CHESTER... EDWARDSVILLE...BELLEVILLE...COLUMBIA...MEXICO...JEFFERSON CITY... ST CHARLES...UNION...ST LOUIS...FARMINGTON 332 AM CDT TUE APR 7 2009 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM CDT THIS MORNING... ...FREEZE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY MORNING... A FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM CDT THIS MORNING. A FREEZE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY MORNING. NORTHWEST WINDS WILL CONTINUE TO BRING COLD AIR INTO THE REGION OVERNIGHT. TEMPERATURES WILL FALL INTO THE MIDDLE TO UPPER 20S FOR SEVERAL HOURS THIS MORNING WHICH WILL CAUSE HARM TO ANY TENDER VEGETATION THAT HAS ALREADY BEGUN TO GROW THIS SPRING. THE COLD AIRMASS WILL BEGIN TO SLOWLY PULL AWAY FROM THE AREA ON TUESDAY NIGHT...BUT SKIES ARE EXPECTED TO BE CLEAR AND THE WINDS WILL BE RELATIVELY LIGHT. LOWS ARE STILL EXPECTED TO BE IN THE LOWER 30S...SO THE FREEZE WATCH REMAINS IN EFFECT. PRECAUTIONARY/PREPAREDNESS ACTIONS... MANY SHRUBS...TREES...AND FLOWERS HAVE ALREADY STARTED BLOOMING ACROSS THE REGION AND ARE SUSCEPTIBLE TO FREEZING TEMPERATURES. COMMERCIAL GROWERS AND HOME GARDENERS ALIKE SHOULD START PLANNING FOR AN EXTENDED PERIOD OF BELOW NORMAL TEMPERATURES. PROTECTING TENDER VEGETATION AND BRINGING ANY POTTED PLANTS INDOORS IS ADVISED AND MAY REDUCE THE AMOUNT OF ECONOMIC LOSS ASSOCIATED WITH A HARD FREEZE. && $$ MILLER
000 WWUS73 KLSX 071329 NPWLSX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 829 AM CDT TUE APR 7 2009 ILZ064-065-069-070-074-079-098>102-MOZ041-042-047>052-059>065- 072>075-084-085-099-080130- /O.CAN.KLSX.FZ.W.0002.000000T0000Z-090407T1400Z/ /O.CON.KLSX.FZ.A.0001.090408T0600Z-090408T1400Z/ BOND IL-FAYETTE IL-CLINTON IL-MARION IL-WASHINGTON IL-RANDOLPH IL- CALHOUN IL-JERSEY IL-MADISON IL-ST. CLAIR IL-MONROE IL-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- INCLUDING THE CITIES OF...VANDALIA...SALEM...CHESTER... EDWARDSVILLE...BELLEVILLE...COLUMBIA...MEXICO...JEFFERSON CITY... ST CHARLES...UNION...ST LOUIS...FARMINGTON 829 AM CDT TUE APR 7 2009 ...FREEZE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY MORNING... ...FREEZE WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS CANCELLED THE FREEZE WARNING. A FREEZE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY MORNING. THE FREEZE WARNING WHICH WAS IN EFFECT EARLY THIS MORNING HAS BEEN CANCELLED AS THE TEMPERATURES HAVE RECENTLY RISEN ABOVE FREEZING OVER MOST OF THE REGION. THE COLD AIRMASS WILL BEGIN TO SLOWLY PULL AWAY FROM THE AREA TONIGHT ...BUT SKIES ARE EXPECTED TO BE CLEAR AND THE WIND WILL BE RELATIVELY LIGHT. LOWS ARE STILL EXPECTED TO BE IN THE LOWER 30S...SO THE FREEZE WATCH REMAINS IN EFFECT. MANY SHRUBS...TREES...AND FLOWERS HAVE ALREADY STARTED BLOOMING ACROSS THE REGION AND ARE SUSCEPTIBLE TO FREEZING TEMPERATURES. COMMERCIAL GROWERS AND HOME GARDENERS ALIKE SHOULD PLAN FOR ANOTHER NIGHT OF BELOW NORMAL TEMPERATURES. PROTECTING TENDER VEGETATION AND BRINGING ANY POTTED PLANTS INDOORS IS ADVISED AND MAY REDUCE THE AMOUNT OF ECONOMIC LOSS ASSOCIATED WITH A FREEZE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WATCH IS ISSUED WHEN SUB-FREEZING TEMPERATURES ARE POSSIBLE. THESE CONDITIONS COULD DAMAGE OR KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$ GKS
What forecasters said that day
The local office's own words before this freeze warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS St. Louis, MO wrote its last area forecast discussion before this freeze warning went out at Apr 5, 2:41 PM CDT, 44 minutes earlier.
Area forecast discussion, Apr 5, 2:41 PM CDT, 44 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ST LOUIS MO
241 PM CDT SUN APR 5 2009
.DISCUSSION...
/235 PM CDT SUN APR 5 2009/
MAIN CONCERN DEALS WITH FREEZE HEADLINES THE NEXT FEW NIGHTS. WILL
EXPAND CURRENT FREEZE WARNING TONIGHT TO INCLUDE THE STL METRO AREA
AND WILL DROP THE REMAINING COUNTIES FROM THE FREEZE WATCH TOIGHT.
WILL ALSO UPGRADE FREEZE WATCH TOMORROW NIGHT TO A FREEZE WARNING
AND KEEP FREEZE WATCH FOR TUESDAY NIGHT.
NAM/GFS ARE IN RELATIVELY GOOD AGREEMENT THAT UPPER LOW CURRENTLY
OVER NORTHERN MO WILL MOVE EWD TONIGHT. BEST UVVS WILL BE FOUND
OVER THE NRN CWA THIS EVENING AS THE UPPER LOW MOVES EWD WITH LESSER
CHANCES TO THE SOUTH. COULD STILL BE SOME LIGHT ACCUMULATIONS OF
SNOW...PARTICULARLY CLOSE TO THE LOW TRACK. CURRENT WEBCAMS FROM
IA WHERE IT HAS SNOWED TODAY SHOW THAT ACCUMULATION HAS BEEN
MAINLY ON GRASSY AREAS...AND THINK GROUND TEMPERATURES WILL HELP
LIMIT ACCUMULATIONS IN CWA TONIGHT. SUBSIDENCE THEN SITS IN AND
ONLY HAVE CHANCE POPS GOING OVERNIGHT AS THE LOW LIFTS OUT.
SECONDARY SHORTWAVE MOVING DOWN THE BACKSIDE OF UPPER LOW WILL
SUPPLY A LITTLE ASCENT TOMORROW. NAM FORECAST SOUNDINGS ARE
SHOWING SOME MEAGER AMOUNTS OF CAPE WHICH SUPPORT SCATTERED SNOW
SHOWERS. A THIRD AND WEAKER SHORTWAVE WILL RACE SOUTH ACROSS THE
REGION ON MONDAY NIGHT...SO HAVE KEPT FLURRIES GOING. DRY WEATHER
THEN SETS IN MIDWEEK AS UPPER LOW LIFTS NORTHEASTWARD.
TEMPERATURES WILL FALL QUICKLY BEHIND THE FRONT THIS EVENING. WENT
CLOSER TO THE 2M NAM TEMPS TONIGHT WHICH VERIFIED PRETTY WELL AT
18Z. LOWS SHOULD HIT 32F OR BELOW IN ALL BUT THE FARTHER EAST AND
SOUTHEAST COUNTIES TONIGHT. SHOULDNT SEE A RISE OF MORE THAN 5-7
DEGREES TOMORROW WITH THE COLD AIR ADVECTION AND LOW CLOUDS...SO
WENT CLOSER TO THE COOLER SREF 2M TEMPS. GUIDANCE LOWS HAVE BEEN
CONSISTENTLY AT BELOW 30F FOR SEVERAL RUNS...AND GIVEN IM GOING
COLDER THAN GUIDANCE FOR HIGHS TOMORROW...HAVE HIGH ENOUGH
CONFIDENCE TO GO AHEAD WITH A WARNING FOR TOMORROW NIGHT. WILL
NARROW FREEZE WATCH ON TUESDAY NIGHT TO BE JUST THE OVERNIGHT AND
EARLY MORNING HOURS ON WEDNESDAY. GUIDANCE TEMPERATURES ARE NOW
RIGHT AROUND FREEZING AS WINDS TURN OUT OF THE SOUTHWEST
OVERNIGHT. HOWEVER...THIS WILL ALSO BE THE NIGHT WITH THE BEST
CHANCE TO RADIATE SO WATCH IS STILL WARRANTED.
WILL CONTINUE TO LEAN TOWARD THE ECMWF LATE WEEK AND NEXT WEEKEND
BASED ON ITS CONTINUITY. THE CANADIAN GEM IS NOW SLOWER THAN THE
ECMWF AND THE GFS STILL LOOKS TOO PROGRESSIVE GIVEN HOW AMPLIFIED
THE PATTERN IS AT MIDWEEK. HAVE BACKED OFF ON THE THE PRECIP CHANCE
EVEN MORE ON WEDNESDAY NIGHT AND ONLY HAVE SLIGHT CHANCES GOING OVER
CENTRAL MO. HAVE UPPED POPS TO LIKELY POPS IN THE SOUTHERN COUNTIES
ON THURSDAY WHERE THERE WILL BE DECENT LOW LEVEL CONVERGENCE AND
LARGE SCALE ASCENT AND CONTINUED CHANCE POPS AREAWIDE ON THURSDAY
NIGHT. HAVE ALSO LEFT CHANCE OF RAIN GOING OVER THE ERN HALF OF
THE CWA ON FRIDAY AS MID LEVEL TROUGH WILL STILL BE OVER MID MO AT
12Z...THEN DRY THROUGH THE WEEKEND AS A RIDGE BUILDS IN.
TEMPERATURES ARE BASED ON HPC.
BRITT
&&
.AVIATION...
/1156 AM CDT SUN APR 5 2009/
FOR THE 18Z TAFS...SFC LOW JUST N OF STL ATTM WITH CDFNT EXTDG S
TO JUST E OF UNO. AS SFC LOW AND TRAILING CDFNT MOVE E OF
UIN...STL AND SUS THE SFC WND WILL SHIFT TO A N-NWLY DIRECTION IN
UIN AND TO A W-SWLY DIRECTION IN STL/SUS AND STRENGTHEN AND BCM
GUSTY THRU THE AFTN HRS. THE SFC WND SHOULD EVENTUALLY BCM NWLY AT
ALL TAF SITES BY LT AFTN WITH GUSTS TO NR 30 KTS. AREA OF RAIN/SNOW
OVER NWRN MO ASSOCIATED WITH MID LVL LOW WILL SHIFT EWD THRU THE
CWA LTR THIS AFTN INTO THE EARLY EVNG. LGT RAIN WILL MOVE INTO
THE TAF SITES BY LT AFTN CHANGING TO LGT SNOW IN UIN AND COU ARND
00Z MON...AND IN STL/SUS ARND 03Z MON BASED ON FORECAST SOUNDINGS
AND PARTIAL THICKNESS FCSTS. CLOUD HGTS HAVE DROPPED INTO THE MVFR
CATAGORY IN COU AND THIS POST FRONTAL STRATUS CLOUDS WILL ADVCT
INTO UIN EARLY THIS AFTN...AND INTO STL AND SUS BY LT AFTN WITH
THE CEILINGS EVENTUALLY DROPPING TO ARND 1000 FT IN COU AND UIN LTR
THIS AFTN AND IN STL AND SUS BY EARLY EVNG. STG AND GUSTY NWLY SFC
WNDS WILL CONT THRU THE NGT AND INTO MON MRNG. THE CIG HGTS WILL
SLOWLY RISE TO ARND 2000 FT BY MID-LT MRNG. SNOW SHOWERS OR
FLURRIES ARE POSSIBLE MON MRNG...BUT WILL LEAVE THE TAFS DRY AT
THIS TIME PD FOR NOW WITH LGT SNOW OR FLURRIES ENDING LT TGT IN
THE CURRENT TAFS.
GKS
&&
.LSX WATCHES/WARNINGS/ADVISORIES...
MO...FREEZE WATCH FROM LATE TUESDAY NIGHT THROUGH WEDNESDAY MORNING
FOR AUDRAIN-BOONE-CALLAWAY-COLE-CRAWFORD-FRANKLIN-GASCONADE-
IRON-JEFFERSON-LINCOLN-MADISON-MONITEAU-MONTGOMERY-OSAGE-
REYNOLDS-ST. CHARLES-ST. FRANCOIS-ST. LOUIS-ST. LOUIS CITY-
STE. GENEVIEVE-WARREN-WASHINGTON.
FREEZE WARNING FROM 1 AM TO 9 AM CDT MONDAY FOR AUDRAIN-BOONE-
CALLAWAY-COLE-CRAWFORD-FRANKLIN-GASCONADE-IRON-JEFFERSON-
LINCOLN-MONITEAU-MONTGOMERY-OSAGE-REYNOLDS-ST. CHARLES-ST.
LOUIS-ST. LOUIS CITY-WARREN-WASHINGTON.
FREEZE WARNING FROM 9 PM MONDAY TO 9 AM CDT TUESDAY FOR AUDRAIN-
BOONE-CALLAWAY-COLE-CRAWFORD-FRANKLIN-GASCONADE-IRON-
JEFFERSON-LINCOLN-MADISON-MONITEAU-MONTGOMERY-OSAGE-
REYNOLDS-ST. CHARLES-ST. FRANCOIS-ST. LOUIS-ST. LOUIS CITY-
STE. GENEVIEVE-WARREN-WASHINGTON.
IL...FREEZE WATCH FROM LATE TUESDAY NIGHT THROUGH WEDNESDAY MORNING
FOR BOND IL-CALHOUN IL-CLINTON IL-FAYETTE IL-JERSEY IL-
MADISON IL-MARION IL-MONROE IL-RANDOLPH IL-ST. CLAIR IL-
WASHINGTON IL.
FREEZE WARNING FROM 1 AM TO 9 AM CDT MONDAY FOR BOND IL-CALHOUN
IL-JERSEY IL-MADISON IL-MONROE IL-ST. CLAIR IL.
FREEZE WARNING FROM 9 PM MONDAY TO 9 AM CDT TUESDAY FOR BOND IL-
CALHOUN IL-CLINTON IL-FAYETTE IL-JERSEY IL-MADISON IL-
MARION IL-MONROE IL-RANDOLPH IL-ST. CLAIR IL-WASHINGTON IL.
&&
WFO LSXHazardous weather outlook, Apr 5, 5:25 AM CDT, 10 hours before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE ST LOUIS MO 525 AM CDT SUN APR 5 2009 ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027- 034>036-041-042-047>052-059>065-072>075-084-085-099-061200- GREENE IL-MACOUPIN IL-MONTGOMERY IL-BOND IL-FAYETTE IL-CLINTON IL- MARION IL-WASHINGTON IL-RANDOLPH IL-ADAMS IL-BROWN IL-PIKE IL- CALHOUN IL-JERSEY IL-MADISON IL-ST. CLAIR IL-MONROE IL-KNOX-LEWIS- SHELBY-MARION-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- 525 AM CDT SUN APR 5 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EASTERN AND CENTRAL MISSOURI AS WELL AS WEST CENTRAL AND SOUTHWEST ILLINOIS. .DAY ONE...TODAY AND TONIGHT THERE IS A SLIGHT RISK FOR SEVERE THUNDERSTORMS UNTIL LATE THIS AFTERNOON FOR PARTS OF SOUTH CENTRAL AND SOUTHWESTERN ILLINOIS... WHERE A FEW STORMS WILL BE CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DAMAGING WIND GUSTS. ELSEWHERE ACROSS PARTS OF EAST CENTRAL AND SOUTHEAST MISSOURI...EXPECT SCATTERED THUNDERSTORMS MAINLY DURING THE MORNING HOURS. WEST AND NORTHWEST WINDS WILL GUST TO 40 MPH LATE THIS AFTERNOON AND TONIGHT. SNOW WILL BE LIKELY ACROSS THE MUCH OF THE AREA TONIGHT... ESPECIALLY FOR AREAS NORTH OF INTERSTATE 70. LITTLE IF ANY SNOW ACCUMULATION IS EXPECTED...ALTHOUGH SOME SPOTS IN NORTHEAST MISSOURI AND WEST CENTRAL ILLINOIS MAY SEE CLOSE TO AN INCH. LOW TEMPERATURES ARE EXPECTED TO FALL INTO THE UPPER 20S TO AROUND 30 DEGREES OVER PARTS OF CENTRAL...EAST CENTRAL...AND SOUTHEAST MISSOURI...AS WELL AS CALHOUN AND GREEN COUNTIES IN ILLINOIS. THIS WILL LIKELY CAUSE HARM TO ANY VEGETATION THAT HAS ALREADY STARTED TO GROW. A FREEZE WARNING HAS BEEN ISSUED FOR THESE AREAS. FOR FURTHER INFORMATION...PLEASE REFER TO THE WARNING PRODUCT. ELSEWHERE WHERE THE GROWING SEASON HAS BEGUN...WHICH INCLUDES PARTS OF SOUTHEAST MISSOURI AND SOUTHERN ILLINOIS...LOW TEMPERATURES TONIGHT WILL BE IN THE LOWER 30S. A FREEZE WATCH REMAINS IN EFFECT FOR THESE AREAS. FOR FURTHER INFORMATION... PLEASE REFER TO THE WATCH PRODUCT. MODERATE AND MAJOR FLOODING IS FORECAST TO PERSIST ALONG THE ILLINOIS RIVER. PLEASE SEE THE APPROPRIATE FLOOD PRODUCTS FOR FURTHER INFORMATION. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY SCATTERED SNOW SHOWERS ARE EXPECTED OVER MUCH OF THE AREA ON MONDAY. LITTLE IF ANY SNOW ACCUMULATION IS EXPECTED. LOW TEMPERATURES ARE EXPECTED TO FALL INTO THE MID TO UPPER 20S ON MONDAY NIGHT AND TUESDAY NIGHT WHICH WILL LIKELY CAUSE HARM TO ANY VEGETATION THAT HAS ALREADY STARTED TO GROW. A FREEZE WATCH REMAINS IN EFFECT FOR THIS TIME PERIOD. FOR FURTHER INFORMATION... PLEASE REFER TO THE WATCH PRODUCT. THE NEXT STORM SYSTEM WILL BRING A CHANCE FOR THUNDERSTORMS TO THE REGION ON THURSDAY AND THURSDAY NIGHT. MODERATE AND MAJOR FLOODING IS FORECAST TO PERSIST ALONG THE ILLINOIS RIVER. PLEASE SEE THE APPROPRIATE FLOOD PRODUCTS FOR FURTHER INFORMATION. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS POSSIBLE OVER PORTIONS OF SOUTHWEST AND SOUTH CENTRAL ILLINOIS UNTIL LATE THIS AFTERNOON. && FOR A GRAPHICAL VERSION OF THIS INFORMATION SEE OUR WEBPAGE AT (LOWERCASE)... HTTP://WWW.WEATHER.GOV/LSX/?N=HWO1 TES
In the hours before
Local storm report, Apr 5, 10:18 AM CDT, 5 hours 7 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
1018 AM CDT SUN APR 05 2009
..TIME.. ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE.. ....MAG.... ..COUNTY LOCATION.. ST.. ...SOURCE....
..REMARKS..
1017 AM HAIL BONNE TERRE 37.92N 90.55W
04/05/2009 E0.70 INCH ST. FRANCOIS MO TRAINED SPOTTER
&&
EVENT NUMBER LSX0901707
GKSLocal storm report, Apr 5, 10:22 AM CDT, 5 hours 3 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
1022 AM CDT SUN APR 05 2009
..TIME.. ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE.. ....MAG.... ..COUNTY LOCATION.. ST.. ...SOURCE....
..REMARKS..
1015 AM HAIL BONNE TERRE 37.92N 90.55W
04/05/2009 E1.00 INCH ST. FRANCOIS MO TRAINED SPOTTER
&&
EVENT NUMBER LSX0901708
GKSLocal storm report, Apr 5, 11:12 AM CDT, 4 hours 13 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
1112 AM CDT SUN APR 05 2009
..TIME.. ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE.. ....MAG.... ..COUNTY LOCATION.. ST.. ...SOURCE....
..REMARKS..
1054 AM HAIL NEW ATHENS 38.32N 89.88W
04/05/2009 M0.25 INCH ST. CLAIR IL TRAINED SPOTTER
REPORTS OF PEA SIZE HAIL COVERING THE GROUND.
&&
EVENT NUMBER LSX0901709
DYELocal storm report, Apr 5, 11:17 AM CDT, 4 hours 8 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
1117 AM CDT SUN APR 05 2009
..TIME.. ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE.. ....MAG.... ..COUNTY LOCATION.. ST.. ...SOURCE....
..REMARKS..
1114 AM HAIL NEW BADEN 38.54N 89.70W
04/05/2009 M0.25 INCH CLINTON IL TRAINED SPOTTER
&&
EVENT NUMBER LSX0901710
DYELocal storm report, Apr 5, 11:25 AM CDT, 4 hours before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
1125 AM CDT SUN APR 05 2009
..TIME.. ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE.. ....MAG.... ..COUNTY LOCATION.. ST.. ...SOURCE....
..REMARKS..
1125 AM HAIL CARLYLE 38.62N 89.37W
04/05/2009 E0.50 INCH CLINTON IL TRAINED SPOTTER
&&
EVENT NUMBER LSX0901712
GKSLocal storm report, Apr 5, 12:18 PM CDT, 3 hours 7 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
1218 PM CDT SUN APR 05 2009
..TIME.. ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE.. ....MAG.... ..COUNTY LOCATION.. ST.. ...SOURCE....
..REMARKS..
1214 PM HAIL BARTELSO 38.54N 89.47W
04/05/2009 M0.70 INCH CLINTON IL TRAINED SPOTTER
&&
EVENT NUMBER LSX0901713
DYEThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 5, 4:35 AM CDT | Freeze Warning | LSX | Audrain, Boone, Callaway, Cole, Crawford, Franklin and 13 more | 28 hr |
| Apr 5, 8:21 AM CDT | Severe Thunderstorm Warning | LSX | Jefferson, Saint Francois, Washington | 24 min |
| Apr 5, 10:00 AM CDT | Severe Thunderstorm Warning | LSX | Jefferson, Sainte Genevieve, Saint Francois, Washington | 45 min |
| Apr 5, 7:38 AM CDT | Severe Thunderstorm Warning | LSX | Randolph | 37 min |
| Apr 5, 7:54 AM CDT | Severe Thunderstorm Warning | LSX | Washington | 36 min |
| Apr 5, 9:07 AM CDT | Severe Thunderstorm Warning | LSX | Randolph, Saint Clair, Washington | 38 min |
| Apr 5, 10:27 AM CDT | Severe Thunderstorm Warning | LSX | Monroe, Randolph, Saint Clair | 26 min |
| Apr 5, 11:13 AM CDT | Severe Thunderstorm Warning | LSX | Clinton | 20 min |
Nearby
Freeze Warnings in Missouri, 2009Freeze Warnings in Illinois, 2009Every freeze warning in 2009
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.