Alert archive / Illinois / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 75, NWS St. Louis, MO

April 3, 2007Madison County, Illinois

NWS St. Louis, MO issued this severe thunderstorm warning at Apr 3, 2007, 2:30 PM CDT for Madison County, Illinois. It was in force for 45 min. 7 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Apr 3, 2007, 2:30 PM CDT (19:30 UTC)
Expired: Apr 3, 2007, 3:15 PM CDT
In force: 45 min
Issued by: NWS St. Louis, MO
Area: Counties, with a storm outline in the text

County Madison County, IL

The radar

The St Louis radar (KLSX), 62 km from the middle of the area, began a volume at 19:31 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.

What was reported inside it

Time	Report	Where	Remark
Apr 3, 2:40 PM CDT	HAIL 0.88	Alhambra, IL
Apr 3, 2:40 PM CDT	HAIL 1	4 Se Alton, IL
Apr 3, 2:45 PM CDT	HAIL 1	1 Nne Bethalto, IL
Apr 3, 2:45 PM CDT	HAIL 1.5	Wood River, IL
Apr 3, 2:45 PM CDT	HAIL 1.75	Wood River, IL
Apr 3, 2:50 PM CDT	HAIL 1	Bethalto, IL	NEAR COTTEGE HILLS.
Apr 3, 2:55 PM CDT	HAIL 1.75	Bethalto, IL

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

Did it verify

Verified. The Iowa Environmental Mesonet's Cow matched 6 storm reports to this severe thunderstorm warning; the first came 10 minutes after it went out.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 3, 9:48 AM CDT	Severe Thunderstorm Watch	SPC	6 hr
Apr 3, 11:51 AM CDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 7.5 hours before the alert went out and 183 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 32 J/kg
Mixed-layer CIN: -399 J/kg
Mixed-layer LCL: 1864 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 210 m²/s²
0-3 km storm-relative helicity: 221 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS53 KLSX 031930
SVRLSX
ILC119-032015-
/O.NEW.KLSX.SV.W.0075.070403T1930Z-070403T2015Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
230 PM CDT TUE APR 3 2007

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN MADISON COUNTY IN SOUTHWEST ILLINOIS

* UNTIL 315 PM CDT

* AT 226 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 11 MILES
  WEST OF ALTON...OR ABOUT NEAR FLORISSANT...AND MOVING EAST AT 65
  MPH.

* LOCATIONS IMPACTED INCLUDE...
  ALTON...
  WOOD RIVER...
  BETHALTO...
  ROXANA...
  PRAIRIETOWN...
  DORSEY...
  CARPENTER...
  WORDEN...
  ALHAMBRA...
  LIVINGSTON...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. IF A TORNADO
IS SPOTTED... ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY
STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

THIS STORM HAS A HISTORY OF LARGE DAMAGING HAIL. SEEK SHELTER NOW 
INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS

TO REPORT SEVERE WEATHER...CALL THE NEAREST LAW ENFORCEMENT AGENCY
AND ASK THEM TO RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
OFFICE IN ST LOUIS.

LAT...LON 3900 9027 3893 9027 3883 9014 3883 8961
      3900 8963

$$

TES

1 follow-up statement

000 
WWUS53 KLSX 032016
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
316 PM CDT TUE APR 3 2007

ILC119-032026-
/O.EXP.KLSX.SV.W.0075.000000T0000Z-070403T2015Z/
MADISON IL-
316 PM CDT TUE APR 3 2007

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN MADISON COUNTY
EXPIRES AT 315 PM CDT...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND NO LONGER
APPEARED TO BE SEVERE.

ADDITIONAL STRONG THUNDERSTORMS ARE POSSIBLE...AND A TORNADO WATCH 
REMAINS IN EFFECT UNTIL 8 PM CDT.

LAT...LON 3900 9027 3893 9027 3883 9014 3883 8961
      3900 8963

$$

TES

What forecasters said that day

The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at Apr 3, 7:12 AM CDT, 7 hours 18 minutes earlier.

Area forecast discussion, Apr 3, 7:12 AM CDT, 7 hours 18 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ST LOUIS MO
712 AM CDT TUE APR 3 2007

.DISCUSSION...
ONE LAST WRM AND STORMY DAY FOR THE BI-STATE REGION TIL A COOL
AND DRY WX PATTERN BGNS TGT. SFC LOW WILL DVLP OVR IA AS
A RELATIVELY STG SHRTWV TROF MOVES EWD THRU THE NRN PLAINS AND
UPR LVL DIVERGENCE INCRS OVR NWRN MO AND IA BY 12Z TUE AHD OF UPR
LVL TROF. TSRA CAN BE EXPECTED ALONG THIS STG CDFNT AS IT MOVES
FAIRLY RAPIDLY SEWD THRU THE CWA TDA. BOTH NAM AND GFS MDLS DEPICT
STG UPR LVL DIVERGENCE OVR MUCH OF THE CWA BY 18Z TUE AHD OF THE
UPR LVL TROF. POTENTIAL OF SVR STORMS ALONG AND AHD OF THIS CDFNT
AS THE NAM MDL FCSTS K INDICES IN THE LWR 30S OVR MAINLY THE ERN
AND SRN PTN OF THE CWA BY 18Z TUE ALONG WITH SFC LI VALUES OF ARND
-6 ALONG AND AHD OF THE CDFNT. TEMPERATURES WILL LIKELY BGN TO
FALL THIS AFTN ACRS THE NRN AND WRN PTN OF THE CWA BHND THE CDFNT
AS THE MDLS ARE SHOWING VRY STG 850 MB CAA MAINLY FM STL N AND W
THIS AFTN. THE CDFNT SHOULD PUSH SEWD TO THE MOST ERN AND SRN
PTNS OF THE CWA BY 00Z WED. MAY INCLUDE A LOW POP THIS EVNG
MAINLY OVR THE SERN PTN OF THE CWA...TIL STG LOW LVL CAA AND
DRYING END THE THREAT OF TSRA. WILL HAVE CLRG BEHIND THE CDFNT AS
STG SFC RDG BLDS SEWD THRU THE CWA THIS EVNG...BUT WILL LIKELY
HAVE SOME WRP ARND TYPE LOW LVL CLOUDINESS MAINLY OVR THE NRN AND
ERN PTN OF THE CWA LT TGT INTO EARLY WED MRNG SW OF THE SFC AND
UPR LVL LOW CNTRD OVR THE GRT LKS REGION. MUCH COLDER TEMPERATURES
FOR WED MRNG AS THE MDLS DROP THE -4 DGR C 850 MB ISOTHERM SWD TO
THE STL METRO AREA BY 12Z WED. LOW TEMPERATURES SHOULD BE IN THE
30S TGT WITH LOWS NR THE FREEZING MARK IN COU AND UIN. TRANQUIL
AND UNSEASONABLY COOL WX FOR WED AND WED NGT AS THE STG SFC RDG
CONTS TO BLD SEWD THRU MO AND IL. LOW TEMPERATURES WED NGT SHOULD
BE BLW FREEZING OVR THE ENTR CWA WITH GOOD RADIATIONAL COOLING
WITH A MOSTLY CLR SKY...DCRSG NWLY SFC WNDS...AND SFC DWPTS IN THE
UPR TEENS TO LWR 20S. NAM MDL DVLPS SOME WAA TYPE PCPN OVR MAINLY
THE SWRN PTN OF THE CWA THU NGT...ALTHOUGH THE GFS KEEPS ALL THE
PCPN SW OF THE CWA. MAY INCLUDE A LOW POP OF RAIN/SNOW THU NGT
OVR THE SWRN PTN OF THE CWA.

GKS

&&

.AVIATION...
FOR THE 12Z TAFS...
A STRONG COLD FRONT WILL BE MAKING ITS WAY ACROSS THE AREA TODAY
REACHING COLUMBIA AROUND NOON...ST LOUIS AROUND 3 TO 4PM. THERE IS
A MODERATE RISK FOR SEVERE STORMS NEAR ST LOUIS WITH A SLIGHT RISK
AT COLUMBIA AND QUINCY. THE WINDS ALOFT ARE 45 TO 50 KNOTS WITHIN
3 THOUSAND FEET BUT THESE WILL DIE DOWN BY 8 TO 9 AM AS THE
GRADIENT SLACKS OFF. NO TIME FOR ADDITIONAL COMMENTS DUE TO SEVERE WEATHER.

PEDIGO

&&

.LSX WATCHES/WARNINGS/ADVISORIES...
MO...NONE.
IL...NONE.
&&

WFO LSX

Hazardous weather outlook, Apr 3, 9:24 AM CDT, 5 hours 6 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE ST LOUIS MO
924 AM CDT TUE APR 3 2007

ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027-
034>036-041-042-047>052-059>065-072>075-084-085-099-041200-
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-
924 AM CDT TUE APR 3 2007

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

THUNDERSTORMS WILL CONTINUE TO DEVELOP ALONG AND JUST AHEAD OF
A COLD FRONT TODAY. SEVERE THUNDERSTORMS ARE LIKELY WITH LARGE
HAIL AND DAMAGING WINDS. LOCALIZED HEAVY RAINFALL AND FLASH
FLOODING IS ALSO POSSIBLE.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

A LARGE CANADIAN HIGH PRESSURE SYSTEM WILL BUILD INTO THE REGION
BEHIND THE COLD FRONT AND DOMINATE OUR WEATHER THROUGH THE
WEEKEND. NIGHTTIME LOW TEMPERATURES WILL FALL BELOW FREEZING LATE
WEDNESDAY NIGHT...THURSDAY NIGHT...FRIDAY NIGHT AND AGAIN ON
SATURDAY
NIGHT.

PEOPLE WITH AGRICULTURAL INTERESTS SHOULD MONITOR THE FORECAST
CLOSELY AND BE PREPARED IF TENDER VEGETATION SHOULD NEED TO BE
PROTECTED FROM THE COLD.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS LIKELY...REPORT ANY SEVERE WEATHER AND FLASH
FLOODING TO THE NATIONAL WEATHER SERVICE IN ST. LOUIS.

CVKING

In the hours before

Local storm report, Apr 3, 11:55 AM CDT, 2 hours 35 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
1155 AM CDT TUE APR 03 2007

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1145 AM     HAIL             3 E HAMEL               38.89N 89.79W
04/03/2007  U1.00 INCH       MADISON            IL   TRAINED SPOTTER

            ON HIGHWAY 140

&&

LENNING

Local storm report, Apr 3, 12:36 PM CDT, 1 hour 54 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
1236 PM CDT TUE APR 03 2007

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1205 PM     HAIL             HILLSBORO               39.16N 89.48W
04/03/2007  U0.75 INCH       MONTGOMERY         IL   CO-OP OBSERVER

1230 PM     HAIL             4 N GREENVILLE          38.94N 89.40W
04/03/2007  U0.75 INCH       BOND               IL   TRAINED SPOTTER

&&

LENNING

Local storm report, Apr 3, 12:41 PM CDT, 1 hour 49 minutes before

PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE ST LOUIS MO
1241 PM CDT TUE APR 03 2007

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1230 PM     HAIL             1 N POCAHONTAS          38.75N 89.54W
04/03/2007  U0.75 INCH       BOND               IL   TRAINED SPOTTER

            CORRECTION FOR THE REPORT LISTED AS 4 N GREENVILLE.

&&

LENNING

Local storm report, Apr 3, 1:58 PM CDT, 32 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
158 PM CDT TUE APR 03 2007

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1235 PM     HAIL             NEW BLOOMFIELD          38.72N 92.09W
04/03/2007  E0.88 INCH       CALLAWAY           MO   LAW ENFORCEMENT

1240 PM     HAIL             2 W BELLEVILLE          38.53N 90.04W
04/03/2007  E0.88 INCH       ST. CLAIR          IL   TRAINED SPOTTER

1245 PM     HAIL             2 NNE BELLEVILLE        38.56N 89.99W
04/03/2007  E0.75 INCH       ST. CLAIR          IL   TRAINED SPOTTER

1250 PM     HAIL             HOUSE SPRINGS           38.42N 90.57W
04/03/2007  E0.75 INCH       JEFFERSON          MO   TRAINED SPOTTER

1250 PM     HAIL             FREEBURG                38.43N 89.91W
04/03/2007  E0.75 INCH       ST. CLAIR          IL   AMATEUR RADIO

1250 PM     HAIL             BRAZITO                 38.45N 92.28W
04/03/2007  E1.00 INCH       COLE               MO   LAW ENFORCEMENT

            QUARTER TO PENNY SIZED HAIL BETWEEN 1250 AND 1255 PM CDT.

1250 PM     HAIL             RUSSELLVILLE            38.51N 92.44W
04/03/2007  E1.00 INCH       COLE               MO   LAW ENFORCEMENT

1255 PM     HAIL             FREEBURG                38.43N 89.91W
04/03/2007  E0.25 INCH       ST. CLAIR          IL   EMERGENCY MNGR

            AT DEERFIELD MOBILE HOME PARK.

1255 PM     HAIL             FREEBURG                38.43N 89.91W
04/03/2007  E1.00 INCH       ST. CLAIR          IL   AMATEUR RADIO

1255 PM     HAIL             1 N FREEBURG            38.44N 89.91W
04/03/2007  E0.25 INCH       ST. CLAIR          IL   TRAINED SPOTTER

1255 PM     HAIL             2 S FENTON              38.51N 90.45W
04/03/2007  E1.00 INCH       ST. LOUIS          MO   NWS EMPLOYEE

1255 PM     HAIL             ANTONIA                 38.36N 90.47W
04/03/2007  E0.88 INCH       JEFFERSON          MO   AMATEUR RADIO

0100 PM     HAIL             SUNSET HILLS            38.54N 90.42W
04/03/2007  E1.00 INCH       ST. LOUIS          MO   EMERGENCY MNGR

0105 PM     HAIL             OAKVILLE                38.44N 90.32W
04/03/2007  E0.75 INCH       ST. LOUIS          MO   TRAINED SPOTTER

0110 PM     HAIL             FREEBURG                38.43N 89.91W
04/03/2007  E0.88 INCH       ST. CLAIR          IL   AMATEUR RADIO

0115 PM     HAIL             COLUMBIA                38.46N 90.23W
04/03/2007  E0.25 INCH       MONROE             IL   EMERGENCY MNGR

0115 PM     HAIL             BECKEMEYER              38.61N 89.43W
04/03/2007  E0.75 INCH       CLINTON            IL   TRAINED SPOTTER

0115 PM     HAIL             MASCOUTAH               38.51N 89.81W
04/03/2007  E0.75 INCH       ST. CLAIR          IL   TRAINED SPOTTER

0120 PM     HAIL             2 S CARLYLE             38.59N 89.37W
04/03/2007  E0.88 INCH       CLINTON            IL   TRAINED SPOTTER

0120 PM     HAIL             MILLSTADT               38.46N 90.09W
04/03/2007  E0.25 INCH       ST. CLAIR          IL   AMATEUR RADIO

0125 PM     HAIL             1 NE PATOKA             38.76N 89.08W
04/03/2007  E0.88 INCH       MARION             IL   PUBLIC

0125 PM     HAIL             N WATERLOO              38.33N 90.16W
04/03/2007  E0.25 INCH       MONROE             IL   TRAINED SPOTTER

0130 PM     HAIL             2 WNW HILLSBORO         38.25N 90.60W
04/03/2007  E1.25 INCH       JEFFERSON          MO   TRAINED SPOTTER

            HAIL IS BREAKING BRANCHES.

0130 PM     HAIL             3 N HILLSBORO           38.28N 90.56W
04/03/2007  E0.88 INCH       JEFFERSON          MO   TRAINED SPOTTER

&&

LENNING

Local storm report, Apr 3, 2:15 PM CDT, 15 minutes before

PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE ST LOUIS MO
215 PM CDT TUE APR 03 2007

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1255 PM     HAIL             1 N FREEBURG            38.44N 89.91W
04/03/2007  E1.00 INCH       ST. CLAIR          IL   TRAINED SPOTTER

1255 PM     HAIL             FREEBURG                38.43N 89.91W
04/03/2007  E1.00 INCH       ST. CLAIR          IL   EMERGENCY MNGR

            AT DEERFIELD MOBILE HOME PARK.

0115 PM     HAIL             COLUMBIA                38.46N 90.23W
04/03/2007  E0.75 INCH       MONROE             IL   EMERGENCY MNGR

0120 PM     HAIL             MILLSTADT               38.46N 90.09W
04/03/2007  E0.75 INCH       ST. CLAIR          IL   AMATEUR RADIO

0125 PM     HAIL             N MILLSTADT             38.33N 90.16W
04/03/2007  E0.75 INCH       MONROE             IL   TRAINED SPOTTER

&&
CORRECTION IS FOR INCORRECT HAIL SIZES IN ORIGINAL REPORTS FOR THESE
LOCATIONS AT THESE TIMES.

LENNING

Local storm report, Apr 3, 2:26 PM CDT, 4 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
226 PM CDT TUE APR 03 2007

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0125 PM     HAIL             PATOKA                  38.75N 89.10W
04/03/2007  M1.00 INCH       MARION             IL   TRAINED SPOTTER

            MEASURED USING A QUARTER.

0130 PM     HAIL             1 N WATERLOO            38.34N 90.14W
04/03/2007  E0.75 INCH       MONROE             IL   TRAINED SPOTTER

0130 PM     HAIL             1 W NEW ATHENS          38.32N 89.90W
04/03/2007  E0.75 INCH       ST. CLAIR          IL   TRAINED SPOTTER

0130 PM     HAIL             BELLEVILLE              38.53N 90.00W
04/03/2007  E0.88 INCH       ST. CLAIR          IL   AMATEUR RADIO

            AT HIGHWAYS 156 AND 13 SOUTHEAST OF BELLEVILLE.

0135 PM     HAIL             2 NNE RICHWOODS         38.19N 90.83W
04/03/2007  E0.75 INCH       WASHINGTON         MO   TRAINED SPOTTER

0140 PM     HAIL             GASCONADE               38.67N 91.56W
04/03/2007  E0.88 INCH       GASCONADE          MO   TRAINED SPOTTER

0145 PM     HAIL             5 NW FESTUS             38.27N 90.48W
04/03/2007  E1.25 INCH       JEFFERSON          MO   TRAINED SPOTTER

0155 PM     FUNNEL CLOUD     4 S WARRENTON           38.76N 91.14W
04/03/2007                   WARREN             MO   TRAINED SPOTTER

            ALMOST APPEARED TO TOUCH DOWN.

0200 PM     HAIL             HILLSBORO               38.23N 90.57W
04/03/2007  E1.00 INCH       JEFFERSON          MO   TRAINED SPOTTER

&&

LENNING

The office that day

Everything else NWS St. Louis, MO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 3, 8:57 AM CDT	Severe Thunderstorm Warning	LSX	Pike	48 min
Apr 3, 9:48 AM CDT	Severe Thunderstorm Warning	LSX	Calhoun	42 min
Apr 3, 11:23 AM CDT	Severe Thunderstorm Warning	LSX	Madison	52 min
Apr 3, 11:54 AM CDT	Severe Thunderstorm Warning	LSX	Bond, Montgomery	66 min
Apr 3, 12:18 PM CDT	Severe Thunderstorm Warning	LSX	Bond, Clinton, Madison	42 min
Apr 3, 12:39 PM CDT	Severe Thunderstorm Warning	LSX	Saint Clair, Washington	51 min
Apr 3, 12:52 PM CDT	Severe Thunderstorm Warning	LSX	Fayette, Marion	38 min
Apr 3, 1:01 PM CDT	Severe Thunderstorm Warning	LSX	Monroe, Saint Clair	44 min
Apr 3, 1:04 PM CDT	Severe Thunderstorm Warning	LSX	Clinton	41 min
Apr 3, 1:15 PM CDT	Tornado Warning	LSX	Washington	45 min
Apr 3, 1:29 PM CDT	Severe Thunderstorm Warning	LSX	Clinton, Fayette, Marion	61 min
Apr 3, 1:34 PM CDT	Severe Thunderstorm Warning	LSX	Saint Clair	41 min
Apr 3, 1:40 PM CDT	Severe Thunderstorm Warning	LSX	Madison	50 min
Apr 3, 1:48 PM CDT	Severe Thunderstorm Warning	LSX	Monroe, Saint Clair	42 min
Apr 3, 2:03 PM CDT	Severe Thunderstorm Warning	LSX	Washington	42 min
Apr 3, 2:08 PM CDT	Severe Thunderstorm Warning	LSX	Monroe, Randolph, Saint Clair	52 min
Apr 3, 2:21 PM CDT	Severe Thunderstorm Warning	LSX	Randolph	39 min
Apr 3, 2:29 PM CDT	Severe Thunderstorm Warning	LSX	Bond, Madison	33 min
Apr 3, 2:42 PM CDT	Severe Thunderstorm Warning	LSX	Marion	33 min
Apr 3, 2:47 PM CDT	Severe Thunderstorm Warning	LSX	Washington	28 min
Apr 3, 2:51 PM CDT	Severe Thunderstorm Warning	LSX	Madison	24 min
Apr 3, 2:59 PM CDT	Severe Thunderstorm Warning	LSX	Randolph	46 min
Apr 3, 3:15 PM CDT	Severe Thunderstorm Warning	LSX	Bond, Clinton, Madison	22 min
Apr 3, 3:37 PM CDT	Severe Thunderstorm Warning	LSX	Randolph	42 min

Nearby

Severe Thunderstorm Warnings in Illinois, 2007 Every severe thunderstorm warning in 2007

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.