Alert archive / Illinois / Severe Thunderstorm Warnings in 2010
Severe Thunderstorm Warning 120, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Jun 13, 2010, 7:35 PM CDT for Fayette County, Marion County, Illinois. It was in force for 40 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jun 13, 2010, 7:35 PM CDT (00:35 UTC)
- Expired
- Jun 13, 2010, 8:15 PM CDT
- In force
- 40 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Fayette County, IL, Marion County, IL
The radar
The Evansville,IN radar (KVWX), 125 km from the middle of the area, began a volume at 00:38 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 00:00Z, 0.6 hours before the alert went out and 151 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
- 202 J/kg
- Mixed-layer CIN
- -207 J/kg
- Mixed-layer LCL
- 1124 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 137 m²/s²
- 0-3 km storm-relative helicity
- 240 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
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 Jun 13, 6:55 PM CDT, 40 minutes earlier.
Area forecast discussion, Jun 13, 6:55 PM CDT, 40 minutes before
AREA FORECAST DISCUSSION...UPDATED AVIATION
NATIONAL WEATHER SERVICE ST LOUIS MO
655 PM CDT SUN JUN 13 2010
.DISCUSSION...
/421 PM CDT SUN JUN 13 2010/
FOCUS FOR THE SHORT TERM WILL BE ONGOING CONVECTION AND CHANCES
THRU TUESDAY.
EXPECT TSRA TO CONTINUE INTO THE EVE ACROSS MUCH OF THE AREA.
SVR THREAT WILL DIMINISH AS ATMO STABILIZES WITH LOSS OF
INSOLATION. MCS SHUD DEVELOP TNGT AND TRACK ACROSS PORTIONS OF
CNTL THRU NE MO. WILL LIKELY BE A BRIEF LULL AS EFFECTIVE FRONT
PUSHES SEWD AND AREA S AND E BEGINS TO DESTABILIZE. SBCAPE IN
EXCESS OF 3000 J/KG IS PROGD ALONG AND AHEAD OF THE FNT.
HOWEVER...WEAK SHEAR IS PROGD ACROSS THIS SAME AREA.
EXPECT ANOTHER BRIEF LULL IN ACTIVITY LATE TOMORROW NIGHT AS ONE
SYSTEM MOVES EWD OUT OF THE AREA...JUST BEFORE ANOTHER MCS MOVES
INTO THE CWA SOMETIME ON TUES. MDLS CONTINUE TO SLOW TIMING OF THE
SYSTEM ON TUES AS UPA LOW CONTINUES TO DEEPEN OVR NRN PLAINS. HAVE
TRENDED TWD THE SLOWER MDL...LOCAL WRF...TO ACCOUNT FOR THIS.
HAVE TRENDED TWD THE WARMER MOS FOR TMW AS AMPLE HEATING SHUD
OCCUR S OF THE EFFECTIVE FNT...THEN TWD THE COOLER MOS FOR TUES
WITH CONVECTION AND CLD DEBRIS EXPECTED ACROSS MUCH OF THE AREA.
FOR THE EXTD...MAIN FOCUS IS ON HEAT AND PRECIP CHANCES. TRENDED
FCST TWD THE ECMWF WITH GOOD SUPPORT FROM THE GEM. BEST CHANCES
FOR PRECIP WILL BE ON FRI/FRI NGT AS A COLD FRONT APPROACHES THE
REGION. MADE VERY FEW CHANGES FROM THE PREV FCST AS MDLS HAVE NOT
BEEN CONSISTENT FROM RUN TO RUN. HOWEVER...ALL MDLS HAVE STRONG
RIDGE BUILDING INTO THE REGION AT THE START OF THE EXTD PERIOD.
TEMP FCST WILL DEPEND UPON IF TSRA/MCS DEVELOPMENT CAN WEAKEN THE
RIDGE ENUF TO PUSH THE FNT S. EVEN IF TSRA IS ABLE TO MAKE IT S
INTO THE CWA...PER FCST...EXPECT TEMPS TO REACH LOWER TO MID 90S
BEFORE OUTFLOW ALLOWS COOLING...MUCH LIKE TODAY.
TILLY
&&
.AVIATION...
/646 PM CDT SUN JUN 13 2010/
FINAL THUNDERSTORM OF THE AFTERNOON MOVING THROUGH KSTL TAF AREA.
EXPECT VFR CONDITIONS OVERNIGHT...BUT TSTMS SHOULD REDEVELOP MONDAY
MIDDAY AS COLD FRONT PUSHES SOUTH ACROSS THE AREA. TIMING IS
SOMEWHAT UNCERTAIN...SO WILL DESCRIBE WITH VCTS AFTER 18Z.
SPECIFICS FOR KSTL...TSTM MOVING JUST NORTH OF KSTL AT THIS TIME.
ASSOCIATED OUTFLOW BOUNDARY WILL MOVE THROUGH THE KSTL TAF SITE
OVER THE NEXT HOUR WITH WIND GUSTS TO 25 KT POSSIBLE. OTHERWISE
EXPECT VFR CONDITIONS OVERNIGHT. COLD FRONT WILL APPROACH THE SITE
AFTER 18Z ON MONDAY...AND EXPECT WIDESPREAD CONVECTION ALONG AND
AHEAD OF IT. ACTUAL FRONT WILL LIKELY MOVE THROUGH NEAR 15/0000Z.
BROWNING
&&
.LSX WATCHES/WARNINGS/ADVISORIES...
MO...FLASH FLOOD WATCH THROUGH MONDAY AFTERNOON FOR AUDRAIN MO-BOONE
MO-CALLAWAY MO-COLE MO-KNOX MO-LEWIS MO-MARION MO-MONITEAU
MO-MONROE MO-RALLS MO-SHELBY MO.
IL...FLASH FLOOD WATCH THROUGH MONDAY AFTERNOON FOR ADAMS IL.
&&
WFO LSXHazardous weather outlook, Jun 13, 4:23 PM CDT, 3 hours 12 minutes before
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</html>In the hours before
Local storm report, Jun 13, 6:35 PM CDT, 1 hour before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
635 PM CDT SUN JUN 13 2010
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0630 PM TSTM WND GST O'FALLON 38.78N 90.71W
06/13/2010 M56 MPH ST. CHARLES MO TRAINED SPOTTER
&&
DYELocal storm report, Jun 13, 6:56 PM CDT, 39 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE ST LOUIS MO
656 PM CDT SUN JUN 13 2010
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0625 PM TSTM WND GST O'FALLON 38.78N 90.71W
06/13/2010 E56 MPH ST. CHARLES MO AMATEUR RADIO
SMALL LIMBS DOWN
&&
CORRECTED EVENT TIME...EVENT...REMARKS...SOURCE
DYELocal storm report, Jun 13, 6:58 PM CDT, 37 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
658 PM CDT SUN JUN 13 2010
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0615 PM TSTM WND GST 1 SSE FLINT HILL 38.85N 90.86W
06/13/2010 E50 MPH ST. CHARLES MO TRAINED SPOTTER
&&
TILLYLocal storm report, Jun 13, 7:00 PM CDT, 35 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
700 PM CDT SUN JUN 13 2010
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0620 PM TSTM WND GST 3 E FLINT HILL 38.85N 90.80W
06/13/2010 E45 MPH ST. CHARLES MO TRAINED SPOTTER
&&
TILLYSpecial weather statement, Jun 13, 7:08 PM CDT, 27 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 708 PM CDT SUN JUN 13 2010 ILZ100-MOZ061-063-140100- MADISON IL-ST. CHARLES MO-ST. LOUIS MO- 708 PM CDT SUN JUN 13 2010 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN ST. CHARLES... NORTHEASTERN ST. LOUIS AND MADISON COUNTIES UNTIL 800 PM CDT... AT 705 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR WEST ALTON...OR NEAR ALTON...MOVING EAST AT 45 MPH. WIND GUSTS UP TO 50 MPH ARE EXPECTED WITH THIS STORM...ALONG WITH HEAVY RAIN AND FREQUENT DANGEROUS LIGHTNING. LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE... WOOD RIVER... BETHALTO... EDWARDSVILLE... HARTFORD... ROXANA... DORSEY... PRAIRIETOWN... CARPENTER... WORDEN... MARINE... LIVINGSTON... ALHAMBRA... FOSTERBURG... POAG... KUHN... FRUIT... HAMEL... KAUFMAN... WILLIAMSON... GRANTFORK... TORRENTIAL RAIN...WHICH MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND UNDERPASSES...IS ALSO LIKELY. DO NOT DRIVE YOUR VEHICLE ON A FLOODED ROADWAY. GLASS
Local storm report, Jun 13, 7:23 PM CDT, 12 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
723 PM CDT SUN JUN 13 2010
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0625 PM TSTM WND DMG ST. PAUL 38.85N 90.74W
06/13/2010 ST. CHARLES MO TRAINED SPOTTER
A FEW TREES DOWN
&&
FGLASSThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 13, 11:53 PM CDT | Flash Flood Warning | LSX | Marion, Monroe, Ralls, Shelby | 6 hr |
| Jun 14, 4:45 AM CDT | Flash Flood Warning | LSX | Knox, Lewis | 6 hr |
| Jun 14, 6:01 AM CDT | Areal Flood Warning | LSX | Marion, Monroe, Shelby | 6 hr |
| Jun 14, 6:09 AM CDT | River Flood Warning | LSX | Marion | 27 hr |
| Jun 14, 8:39 AM CDT | River Flood Warning | LSX | Marion | 23 hr |
| Jun 14, 11:26 AM CDT | River Flood Warning | LSX | Marion | 3 days |
| Jun 14, 11:49 AM CDT | Areal Flood Warning | LSX | Monroe, Shelby | 6 hr |
| Jun 14, 6:13 PM CDT | Areal Flood Warning | LSX | Monroe, Shelby | 12 hr |
| Jun 14, 10:54 AM CDT | River Flood Warning | LSX | Brown | 16 days |
| Jun 14, 3:01 PM CDT | Flash Flood Warning | LSX | Montgomery | 6 hr |
| Jun 14, 3:11 PM CDT | Flash Flood Warning | LSX | Macoupin | 6 hr |
| Jun 14, 3:17 PM CDT | Flash Flood Warning | LSX | Bond | 6 hr |
| Jun 14, 3:19 PM CDT | Severe Thunderstorm Warning | LSX | Fayette, Montgomery | 41 min |
| Jun 14, 3:28 PM CDT | Severe Thunderstorm Warning | LSX | Bond, Fayette, Marion | 47 min |
| Jun 14, 3:53 PM CDT | Flash Flood Warning | LSX | Fayette | 5 hr |
| Jun 14, 3:58 PM CDT | Severe Thunderstorm Warning | LSX | Fayette | 17 min |
| Jun 14, 4:02 PM CDT | Severe Thunderstorm Warning | LSX | Clinton, Fayette, Marion | 43 min |
Nearby
Severe Thunderstorm Warnings in Illinois, 2010Every severe thunderstorm warning in 2010
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.