Alert archive / Illinois / Tornado Warnings in 2008
Tornado Warning 26, NWS St. Louis, MO
NWS St. Louis, MO issued this tornado warning at May 10, 2008, 8:34 PM CDT for Randolph County, Illinois; Sainte Genevieve County, Missouri. It was in force for 26 min. 1 report 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
- May 10, 2008, 8:34 PM CDT (01:34 UTC)
- Expired
- May 10, 2008, 9:00 PM CDT
- In force
- 26 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
The radar
The St Louis radar (KLSX), 89 km from the middle of the area, began a volume at 01:36 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 |
|---|---|---|---|
| May 10, 8:52 PM CDT | TSTM WND DMG | Modoc, IL | SMALL TREE LIMBS DOWNED |
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 |
|---|---|---|---|
| May 10, 7:14 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 1.6 hours before the alert went out and 266 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
- 1248 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 4 m²/s²
- 0-3 km storm-relative helicity
- 185 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS53 KLSX 110136 TORLSX ILC157-MOC186-110200- /O.NEW.KLSX.TO.W.0026.080511T0134Z-080511T0200Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 834 PM CDT SAT MAY 10 2008 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A * TORNADO WARNING FOR... NORTHEASTERN STE. GENEVIEVE COUNTY IN SOUTHEAST MISSOURI WESTERN RANDOLPH COUNTY IN SOUTHWEST ILLINOIS * UNTIL 900 PM CDT * AT 831 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH STRONG ROTATION NEAR BLOOMSDALE...OR ABOUT 10 MILES WEST OF STE. GENEVIEVE...MOVING EAST AT 37 MPH. * LOCATIONS IMPACTED INCLUDE... MODOC... KELLOGG... THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS. TORNADOES ARE DIFFICULT TO SEE AT NIGHT...SO DO NOT WAIT. TAKE COVER NOW LAT...LON 3814 8997 3798 8993 3796 9028 3804 9029 TIME...MOT...LOC 0134Z 249DEG 32KT 3801 9021 $$ TES
2 follow-up statements
000 WWUS53 KLSX 110151 SVSLSX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 850 PM CDT SAT MAY 10 2008 ILC157-MOC186-110200- /O.CON.KLSX.TO.W.0026.000000T0000Z-080511T0200Z/ RANDOLPH IL-STE. GENEVIEVE MO- 850 PM CDT SAT MAY 10 2008 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 PM CDT FOR NORTHEASTERN STE. GENEVIEVE AND WESTERN RANDOLPH COUNTIES... AT 846 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR MODOC...OR ABOUT NEAR STE. GENEVIEVE...MOVING EAST AT 37 MPH. LOCATIONS NEAR THE PATH OF THE TORNADO INCLUDE...RURAL WESTERN RANDOLPH COUNTY. WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS. TORNADOES ARE DIFFICULT TO SEE AT NIGHT...SO DO NOT WAIT. TAKE COVER NOW IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. LAT...LON 3814 8997 3798 8993 3796 9028 3804 9029 TIME...MOT...LOC 0150Z 249DEG 32KT 3806 9004 $$ TES
000 WWUS53 KLSX 110203 SVSLSX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 903 PM CDT SAT MAY 10 2008 ILC157-MOC186-110213- /O.EXP.KLSX.TO.W.0026.000000T0000Z-080511T0200Z/ RANDOLPH IL-STE. GENEVIEVE MO- 903 PM CDT SAT MAY 10 2008 ...THE TORNADO WARNING FOR NORTHEASTERN STE. GENEVIEVE AND WESTERN RANDOLPH COUNTIES EXPIRES AT 900 PM CDT... THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND NO LONGER APPEARED TO BE SEVERE. ADDITIONAL STRONG THUNDERSTORMS ARE POSSIBLE...AND A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 2 AM CDT. LAT...LON 3814 8997 3798 8993 3796 9028 3804 9029 TIME...MOT...LOC 0151Z 249DEG 32KT 3806 9003 $$ TES
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 10, 11:47 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Greene, Pike | 34 min |
| May 11, 12:12 PM CDT | River Flood Warning | LSX | Morgan, Pike | 8 days |
| May 10, 9:25 PM CDT | Severe Thunderstorm Warning | LSX | Iron, Madison, Reynolds | 50 min |
| May 11, 10:58 AM CDT | River Flood Warning | LSX | Lincoln | 23 hr |
| May 11, 11:51 AM CDT | River Flood Warning | LSX | Gasconade, Montgomery | 3 days |
Nearby
Tornado Warnings in Illinois, 2008Tornado Warnings in Missouri, 2008Every tornado warning in 2008Tornadoes in 2008
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.