Alert archive / Illinois / Tornado Warnings in 1991
Tornado Warning 1, NWS St. Louis, MO
NWS St. Louis, MO issued this tornado warning at Mar 12, 1991, 5:34 PM CST for Pike County, Illinois. It was in force for 41 min.
The area
The counties it named.
The facts
- Issued
- Mar 12, 1991, 5:34 PM CST (23:34 UTC)
- Expired
- Mar 12, 1991, 6:15 PM CST
- In force
- 41 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Pike County, IL
The nearest sounding before it
Paducah/Barkley, KY (KPAH), launched 12:00Z, 11.6 hours before the alert went out and 342 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
- 1267 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 241 m²/s²
- 0-3 km storm-relative helicity
- 234 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSTL 122334 TORSTL ILC149-130015- BULLETIN - EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 534 PM CST TUE MAR 12 1991 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 615 PM CST FOR PEOPLE IN THE FOLLOWING LOCATION... IN WEST CENTRAL ILLINOIS ...PIKE COUNTY A FUNNEL CLOUD WAS REPORTED BY AN AMATEUR RADIO OPERATOR NEAR LOUISIANA MISSOURI IN PIKE COUNTY MISSOURI...ON THE MISSISSIPPI RIVER...HALFWAY BETWEEN ST. LOUIS AND QUINCY. THIS POSSIBLE TORNADO WILL MOVE ACROSS PIKE COUNTY ILLINOIS BEFORE 615 PM. IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A BASEMENT. GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM SUCH AS A CLOSET ON THE LOWEST FLOOR. USE BLANKETS...PILLOWS... OR CUSHIONS TO COVER YOUR BODY. AVOID WINDOWS. FELDT
What forecasters said that day
The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Mar 12, 12:23 PM CST, 5 hours 11 minutes before
MOZ010-014-121930- SPECIAL WEATHER STATEMENT...CORRECTION FOR TIME NATIONAL WEATHER SERVICE COLUMBIA MO 1225 PM CST TUE MAR 12 1991 ...A TORNADO WATCH IS IN EFFECT FOR ALL OF CENTRAL MISSOURI UNTIL 4PM... A SOLID LINE OF STRONG THUNDERSTORMS WAS IN CENTRAL MISSOURI FROM NEAR FAYETTE...25 MILES NORTHWEST OF COLUMBIA...TO OSAGE BEACH...40 MILES SOUTHWEST OF JEFFERSON CITY. THE LINE WAS MOVING EAST AT 35 MPH AND WILL BE OVER COLUMBIA AND JEFFERSON CITY BY 1PM. THESE THUNDERSTORMS HAVE THE POTENTIAL TO IGNITE INTO SEVERE STORMS THAT MAY PRODUCE LARGE HAIL...DAMAGING WIND AND POSSIBLY TORNADOES AS THEY MOVE ACROSS CENTRAL MISSOURI BETWEEN 1230 AND 4PM THIS AFTERNOON. PERSONS IN CENTRAL MISSOURI SHOULD BE ALERT TO CHANGING WEATHER CONDITIONS AND BE PREPARED TO MOVE TO SAFETY ON SHORT NOTICE. LARM
Special weather statement, Mar 12, 1:13 PM CST, 4 hours 21 minutes before
MOZALL-122010- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 105 PM CST TUE MAR 12 1991 ...STRONG THUNDERSTORMS MOVING OVER CENTRAL MISSOURI... A TORNADO WATCH HAS BEEN ISSUED UNTIL 4 PM FOR A LARGE PART OF CENTRAL MISSOURI INCLUDING THE CITIES OF ROLLA... COLUMBIA... SPRINGFIELD... JEFFERSON CITY AND SEDALIA. AT 1 PM...SEVERE THUNDERSTORMS HAD MOVED INTO CENTRAL MISSOURI. THE LINE OF STORMS EXTENDED ROUGHLY FROM 30 MILES SOUTHWEST OF KIRKSVILLE TO NEAR COLUMBIA TO JUST EAST OF LAKE OF THE OZARKS. STORM MOVEMENT WAS NORTHEAST AT 40 MPH. DURING THE PAST HOUR...SPOTTY REPORTS OF SMALL HAIL AND STRONG WINDS HAVE BEEN RECEIVED. THE CENTRAL MISSOURI THUNDERSTORMS WILL CONTINUED TO MOVE EAST INTO THE EASTERN SECTIONS OF MISSOURI THIS AFTERNOON...GENERALLY AFTER 3 PM. SEVERE WEATHER WATCHES COULD BE EXTENDED EAST AT THAT TIME. PEOPLE ACROSS MUCH OF MISSOURI SHOULD KEEP ALERT TO THIS RAPIDLY CHANGING WEATHER SITUATION. LISTEN FOR NATIONAL WEATHER SERVICE EMERGENCY WEATHER INFORMATION...AND BE PREPARED TO SEEK SHELTER IF CONDITIONS WARRENT. GOETSCH
Special weather statement, Mar 12, 1:14 PM CST, 4 hours 20 minutes before
MOZALL-122010- SPECIAL WEATHER STATEMENT...CORRECTION NATIONAL WEATHER SERVICE ST LOUIS MO 105 PM CST TUE MAR 12 1991 ...STRONG THUNDERSTORMS MOVING OVER CENTRAL MISSOURI... A TORNADO WATCH HAS BEEN ISSUED UNTIL 4 PM FOR A LARGE PART OF CENTRAL MISSOURI INCLUDING THE CITIES OF ROLLA... COLUMBIA... SPRINGFIELD... JEFFERSON CITY AND SEDALIA. AT 1 PM...SEVERE THUNDERSTORMS HAD MOVED INTO CENTRAL MISSOURI. THE LINE OF STORMS EXTENDED ROUGHLY FROM 30 MILES SOUTHWEST OF KIRKSVILLE TO NEAR COLUMBIA TO JUST EAST OF LAKE OF THE OZARKS. STORM MOVEMENT WAS NORTHEAST AT 40 MPH. DURING THE PAST HOUR...SPOTTY REPORTS OF SMALL HAIL AND STRONG WINDS HAVE BEEN RECEIVED. ...OUTLOOK FOR EAST MISSOURI INCLUDING ST. LOUIS... THE CENTRAL MISSOURI THUNDERSTORMS WILL BECOME LIKELY ACROSS EAST SECTIONS OF MISSOURI THIS AFTERNOON...GENERALLY AFTER 3 PM. SEVERE WEATHER WATCHES COULD BE EXTENDED EAST AT THAT TIME. PEOPLE ACROSS MUCH OF MISSOURI SHOULD KEEP ALERT TO THIS RAPIDLY CHANGING WEATHER SITUATION. LISTEN FOR NATIONAL WEATHER SERVICE EMERGENCY WEATHER INFORMATION...AND BE PREPARED TO SEEK SHELTER IF CONDITIONS WARRENT. GOETSCH
Special weather statement, Mar 12, 2:48 PM CST, 2 hours 46 minutes before
MOZALL-122200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 245 PM CST TUE MAR 12 1991 ...STRONG THUNDERSTORMS ARE MOVING ACROSS CENTRAL MISSOURI... A TORNADO WATCH IS IN EFFECT UNTIL 4 PM FOR A LARGE PART OF CENTRAL MISSOURI INCLUDING THE CITIES OF ROLLA... COLUMBIA... AND JEFFERSON CITY. THE LINE OF THUNDERSTORMS EXTENDED FROM MARION COUNTY MISSOURI CLOSE TO QUINCY...TO EAST OF COLUMBIA AND JEFFERSON CITY. INDIVIDUAL THUNDERSTORMS WERE MOVING NORTHEAST AT 40 MILES AN HOUR WHILE THE ENTIRE LINE WAS SLOWLY MOVING EAST. STRONG THUNDERSTORMS WILL CONTINUE TO MOVE ACROSS NORTHEAST MISSOURI BETWEEN 3 AND 5 PM. ...ST. LOUIS AREA... THESE STORMS ARE STILL ABOUT 70 MILES WEST OF THE ST LOUIS METRO AREA. THIS WOULD BRING THEM CLOSE TO THE ST. LOUIS AREA DURING THE EVENING RUSH HOUR. CURRENT INDICATIONS SUGGEST THAT A SEVERE WEATHER WATCH COULD BE ISSUED FOR FAR EAST MISSOURI..INCLUDING THE ST LOUIS AREA BEFORE( 4 PM. FELDT
Special weather statement, Mar 12, 3:40 PM CST, 1 hour 54 minutes before
MOZALL-122300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 350 PM CST TUE MAR 12 1991 ...A TORNADO WATCH HAS BEEN POSTED FOR EAST MISSOURI... A TORNADO WATCH NOW COVERS EAST CENTRAL AND SOUTHEAST MISSOURI..INCLUDING ST. LOUIS AND CAPE GIRARDEAU. TWO STRONG THUNDERSTORMS WERE LOCATED OVER EAST MISSOURI AS OF 345 PM. ONE STORM WAS IN MONTGOMERY COUNTY...AND WILL MOVE INTO PIKE COUNTY BEFORE 430 PM. ANOTHER STRONG STORM WAS LOCATED NORTH OF THE COLUMBIA AIRPORT. BETWEEN 345 AND 445 PM...STRONG THUNDERSTORMS CAN BE EXPECTED ACROSS PARTS OF NORTHEAST MISSOURI...INCLUDING PIKE COUNTY...PERHAPS CLOSE TO BOWLING GREEN. ...OUTLOOK FOR ST. LOUIS... NO SEVERE STORMS ARE EXPECTED IN THE ST LOUIS AREA BEFORE ABOUT 5 PM...CHANCE FOR SEVERE WEATHER SHOULD INCREASE AFTER 5 PM. PEOPLE ACROSS THE EAST HALF OF MISSOURI SHOULD KEEP ALERT TO THIS RAPIDLY CHANGING WEATHER SITUATION. LISTEN FOR NATIONAL WEATHER SERVICtE EMERGENCY WEATHER INFORMATION...AND BE PREPARED TO SEEK SHELTER IF CONDITIONS WARRANT. FELDT
Special weather statement, Mar 12, 4:37 PM CST, 57 minutes before
MOZ007-010-011-012-018-130200- SPECIAL WEATHER STATEMENT...CORRECTION... NATIONAL WEATHER SERVICE ST LOUIS MO 435 PM CST TUE MAR 12 1991 ...STRONG STORMS WERE MOVING ACROSS PIKE COUNTY MISSOURI... AT 430 PM SEVERAL STRONG THUNDERSTORMS WERE MOVING ACROSS PARTS OF PIKE...AND FAR NORTH LINCOLN COUNTIES IN MISSOURI. THIS WAS THE AREA NORTH OF ST. LOUIS AND SOUTH OF QUINCY. THESE STORMS CONTAIN VERY HEAVY RAINFALL...STRONG GUSTY WINDS AND PERHAPS HAIL. BETWEEN 435 AND 515 PM...STRONG STORMS WILL CONTINUE IN PIKE COUNTY CLOSE TO THE CITIES OF BOWLING GREEN AND LOUISIANA...AND MOVE INTO PIKE COUNTY ILLINOIS. ...ST. LOUIS AREA... THUNDERSTORMS REMAIN ABOUT 40 MILES WEST OF ST. LOUIS. SHOWERS AND THUNDERSTORMS SHOULD INCREASE ACROSS THE AREA AROUND 5 30PM. FELDT
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 12, 5:19 PM CST | Severe Thunderstorm Warning | LSX | Pike | 41 min |
Nearby
Tornado Warnings in Illinois, 1991Every tornado warning in 1991Tornadoes in 1991
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.