Alert archive / Illinois / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 72, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Apr 3, 2007, 2:21 PM CDT for Randolph County, Illinois; Sainte Genevieve County, Missouri. It was in force for 39 min. 6 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, 2:21 PM CDT (19:21 UTC)
- Expired
- Apr 3, 2007, 3:00 PM CDT
- In force
- 39 min
- Issued by
- NWS St. Louis, MO
- Area
- Counties, with a storm outline in the text
The radar
The St Louis radar (KLSX), 96 km from the middle of the area, began a volume at 19:21 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 | Ellis Grove, IL | |
| Apr 3, 2:40 PM CDT | HAIL 1.75 | Modoc, IL | |
| Apr 3, 2:50 PM CDT | HAIL 0.88 | Ellis Grove, IL | |
| Apr 3, 2:55 PM CDT | HAIL 1 | 4 Se Sparta, IL | |
| Apr 3, 2:55 PM CDT | HAIL 1 | Ste. Genevieve, MO | |
| Apr 3, 3:05 PM CDT | HAIL 1 | Ellis Grove, IL |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
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, 11:51 AM CDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 7.4 hours before the alert went out and 269 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
- 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
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KLSX 031921 SVRLSX ILC157-MOC186-032000- /O.NEW.KLSX.SV.W.0072.070403T1921Z-070403T2000Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 221 PM CDT TUE APR 3 2007 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... STE. GENEVIEVE COUNTY IN SOUTHEAST MISSOURI RANDOLPH COUNTY IN SOUTHWEST ILLINOIS * UNTIL 300 PM CDT * AT 216 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 NEAR ROCKY RIDGE...OR ABOUT 10 MILES WEST OF STE. GENEVIEVE...AND MOVING EAST AT 45 MPH. * LOCATIONS IMPACTED INCLUDE... STE. GENEVIEVE... BREMEN... STEELEVILLE... PERCY... 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. LAT...LON 3803 9030 3789 9030 3794 8961 3812 8961 $$ CVKING
1 follow-up statement
000
WWUS53 KLSX 031937
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
238 PM CDT TUE APR 3 2007
ILC157-MOC186-032000-
/O.CON.KLSX.SV.W.0072.000000T0000Z-070403T2000Z/
RANDOLPH IL-STE. GENEVIEVE MO-
238 PM CDT TUE APR 3 2007
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 300 PM CDT
FOR STE. GENEVIEVE AND SOUTHERN RANDOLPH COUNTIES...
AT 235 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED
NEAR WEINGARTEN...OR ABOUT 8 MILES NORTHEAST OF FARMINGTON...MOVING
EAST AT 45 MPH.
LOCATIONS NEAR THE PATH OF THE SEVERE THUNDERSTORM INCLUDE...RIVER
AUX VASES...STE. GENEVIEVE...KELLOGG...KASKASKIA...ST. MARY...ROOTS
AND ELLIS GROVE.
LAT...LON 3791 9041 3776 9037 3794 8961 3813 8960
3805 9015
$$
CVKINGThe 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, 2:29 PM CDT | Severe Thunderstorm Warning | LSX | Bond, Madison | 33 min |
| Apr 3, 2:30 PM CDT | Severe Thunderstorm Warning | LSX | Madison | 45 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 |
| Apr 3, 5:19 AM CDT | Severe Thunderstorm Warning | LSX | Knox | 26 min |
| Apr 3, 6:05 AM CDT | Severe Thunderstorm Warning | LSX | Knox, Shelby | 40 min |
| Apr 3, 6:43 AM CDT | Severe Thunderstorm Warning | LSX | Marion, Monroe, Shelby | 62 min |
| Apr 3, 7:26 AM CDT | Severe Thunderstorm Warning | LSX | Marion, Monroe, Shelby | 64 min |
| Apr 3, 8:38 AM CDT | Flash Flood Warning | LSX | Monroe, Shelby | 4 hr |
| Apr 3, 8:38 AM CDT | Severe Thunderstorm Warning | LSX | Audrain, Boone, Callaway | 52 min |
| Apr 3, 9:14 AM CDT | Severe Thunderstorm Warning | LSX | Pike | 46 min |
| Apr 3, 9:30 AM CDT | Severe Thunderstorm Warning | LSX | Callaway, Montgomery | 45 min |
| Apr 3, 12:10 PM CDT | Severe Thunderstorm Warning | LSX | Boone, Cole, Moniteau | 50 min |
| Apr 3, 12:27 PM CDT | Severe Thunderstorm Warning | LSX | Callaway, Osage | 48 min |
| Apr 3, 12:48 PM CDT | Severe Thunderstorm Warning | LSX | Jefferson, Saint Louis | 23 min |
| Apr 3, 12:55 PM CDT | Severe Thunderstorm Warning | LSX | Cole, Osage | 49 min |
| Apr 3, 1:01 PM CDT | Severe Thunderstorm Warning | LSX | Gasconade, Montgomery, Warren | 59 min |
| Apr 3, 1:11 PM CDT | Severe Thunderstorm Warning | LSX | Franklin, Washington | 49 min |
| Apr 3, 1:28 PM CDT | Severe Thunderstorm Warning | LSX | Jefferson | 47 min |
| Apr 3, 1:32 PM CDT | Severe Thunderstorm Warning | LSX | Franklin, Gasconade | 43 min |
| Apr 3, 1:52 PM CDT | Severe Thunderstorm Warning | LSX | Reynolds | 38 min |
| Apr 3, 2:08 PM CDT | Severe Thunderstorm Warning | LSX | Franklin, Gasconade | 52 min |
| Apr 3, 2:13 PM CDT | Severe Thunderstorm Warning | LSX | Jefferson | 47 min |
| Apr 3, 2:14 PM CDT | Severe Thunderstorm Warning | LSX | Saint Charles | 31 min |
| Apr 3, 2:20 PM CDT | Severe Thunderstorm Warning | LSX | Crawford | 36 min |
| Apr 3, 2:27 PM CDT | Severe Thunderstorm Warning | LSX | Saint Charles, Saint Louis, City of Saint Louis | 48 min |
| Apr 3, 2:31 PM CDT | Severe Thunderstorm Warning | LSX | Saint Louis, City of Saint Louis | 29 min |
| Apr 3, 2:33 PM CDT | Severe Thunderstorm Warning | LSX | Iron, Reynolds | 57 min |
| Apr 3, 2:48 PM CDT | Severe Thunderstorm Warning | LSX | Jefferson, Washington | 42 min |
| Apr 3, 3:07 PM CDT | Severe Thunderstorm Warning | LSX | Washington | 26 min |
| Apr 3, 3:11 PM CDT | Severe Thunderstorm Warning | LSX | Sainte Genevieve, Saint Francois | 49 min |
| Apr 3, 3:13 PM CDT | Severe Thunderstorm Warning | LSX | Madison | 47 min |
| Apr 3, 3:27 PM CDT | Severe Thunderstorm Warning | LSX | Iron, Reynolds | 33 min |
| Apr 3, 3:57 PM CDT | Severe Thunderstorm Warning | LSX | Madison | 33 min |
Nearby
Severe Thunderstorm Warnings in Illinois, 2007Severe Thunderstorm Warnings in Missouri, 2007Every 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.