Alert archive / Missouri / Severe Thunderstorm Warnings in 1991
Severe Thunderstorm Warning 3, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Mar 12, 1991, 5:40 PM CST for Franklin County, Warren County, Missouri. It was in force for 50 min. 2 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Mar 12, 1991, 5:40 PM CST (23:40 UTC)
- Expired
- Mar 12, 1991, 6:30 PM CST
- In force
- 50 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
Counties Franklin County, MO, Warren County, MO
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 12, 6:07 PM CST | Hail 1 | Warren, MO | |
| Mar 12, 6:18 PM CST | Hail 1 | Franklin, MO |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Paducah/Barkley, KY (KPAH), launched 12:00Z, 11.7 hours before the alert went out and 271 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 122340 SVRSTL MOC071-219-130030- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 540 PM CST TUE MAR 12 1991 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 630 PM CST FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN EAST CENTRAL MISSOURI ...FRANKLIN COUNTY...WARREN COUNTY POTENTIALLY SEVERE THUNDERSTORMS WILL MOVE ACROSS FRANKLIN AND WARREN COUNTIES...ABOUT 40 MILES DUE WEST OF ST. LOUIS BETWEEN 545 AND 630 PM. HAIL...HIGH WINDS AND VERY HEAVY RAIN ARE LIKELY WITH THIS AREA OF STORMS. A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER SEVERE THUNDERSTORMS CAN AND OCCA#SIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS. FELDT
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.
In the hours before
Special weather statement, Mar 12, 1:13 PM CST, 4 hours 27 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 26 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 52 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, 2 hours 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, 1 hour 3 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
Special weather statement, Mar 12, 5:38 PM CST, 2 minutes before
MOZ010-010-130030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 530 PM CST TUE MAR 12 1991 ...A TORNADO WATCH IS IN EFFECT FOR EAST CENTRAL MISSOURI UNTIL 9PM... SCATTERED SHOWERS AND THUNDERSTORMS PERSISTED OVER A LARGE PORTION OF CENTRAL AND EAST CENTRAL MISSOURI THIS AFTERNOON. AT 530 PM THE COLUMBIA WEATHER RADAR INDICATED THE HEAVIEST STORMS IN GASCONADE COUNTY...30 MILES WEST OF JEFFERSON CITY. THE STORMS WERE MOVING EAST AT 25 MILES AN HOUR. PEA AND MARBLE SIZED HAIL...DANGEROUS LIGHTNING...AND HEAVY RAINSHOWERS HAVE BEEN REPORTED WITH THESE STORMS OVER EAST CENTRAL MISSOURI. PERSONS IN THAT REGION...ESPECIALLY IN THE COUNTIES OF MONTGOMERY...GASCONADE...WAR REN AND FRANKLIN SHOULD BE ALERT TO CHANGING WEATHER CONDITIONS AND STAY TUNED TO WEATHER RADIO FOR FURTHER STATEMENTS. PERLOW
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 12, 5:01 PM CST | Severe Thunderstorm Warning | LSX | Pike | 44 min |
Nearby
Severe Thunderstorm Warnings in Missouri, 1991Every severe thunderstorm warning 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.