Alert archive / Illinois / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 42, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Jul 2, 1992, 2:48 PM CDT for Brown County, Illinois. It was in force for 42 min.
The area
The counties it named.
The facts
- Issued
- Jul 2, 1992, 2:48 PM CDT (19:48 UTC)
- Expired
- Jul 2, 1992, 3:30 PM CDT
- In force
- 42 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Brown County, IL
The nearest sounding before it
Paducah/Barkley, KY (KPAH), launched 12:00Z, 7.8 hours before the alert went out and 368 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
- 1159 J/kg
- Mixed-layer CIN
- -16 J/kg
- Mixed-layer LCL
- 563 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 85 m²/s²
- 0-3 km storm-relative helicity
- 82 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSTL 021948 SVRSTL ILC009-022030- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 248 PM CDT THU JUL 2 1992 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 330 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN WEST CENTRAL ILLINOIS ...BROWN COUNTY AT 240 PM CDT...DOPPLER RADAR SHOWED A SEVERE THUNDERSTORM OVER EASTERN ADAMS COUNTY...ABOUT 20 MILES EAST OF QUINCY. THIS STORM WILL BE MOVING INTO THE TOWNS OF MT STERLING AND LAGRANGE. PEOPLE IN THESE TOWNS SHOULD SEEK SHELTER IMMEDIATELY. THE SEVERE THUNDERSTORM WAS MOVING TO THE EAST AT 30 MILES AN HOUR. A TORNADO WATCH IS ALSOZ IN EFFECT FOR THE WARNED AREA. REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS. PRZYBYLINSKI
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, Jul 2, 11:32 AM CDT, 3 hours 16 minutes before
MOZALL-022200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 1130 AM CDT THU JUL 2 1992 ...NUMEROUS THUNDERSTORMS A FEW POSSIBLY SEVERE WILL DEVELOPE THIS AFTERNOON ACROSS MISSOURI... A STRONG STORM SYSTEM CENTERED OVER SOUTH CENTRAL IOWA WILL BE MOVING ACROSS NORTHERN MISSOURI AND EASTERN IOWA THIS AFTEROON TO SOUTHERN WISCONSIN TONIGHT. WARM HUMID AND VERY UNSTABLE AIR ACROSS MISSOURI ESPECIALLY THE NORTHWESTERN HALF OF THE STATE IS EXCELLENT FOR THUNDER- STORM DEVELOPMENT. THIS AFTERNOONS WEATHER COULD BE VERY DANGEROUS. PERSONS IN MISSOURI ARE URGED TO KEEP AN ESPECIALLY CLOSE WATCH ON THE WEATHER AND KEEP INFORMED OF THE LATEST FORECASTS AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE. BW
Special weather statement, Jul 2, 11:42 AM CDT, 3 hours 6 minutes before
MOZALL-021730- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 1140 AM CDT THU JUL 2 1992 ...INTENSE THUNDERSTORMS HAD MOVED OUT OF CENTRAL MISSOURI... AT 1135 AM...NO THUNDERSTORMS WERE IN CENTRAL MISSOURI. HOWEVER... AN ISOLATED INTENSE THUNDERSTORM HAD MOVED OUT OF NORTH CENTRAL MISSOURI TO 35 MILES SOUTHEAST OF KIRKSVILLE. OTHER THUNDERSTORMS WERE REFORMING IN WEST CENTRAL MISSOURI NEAR CLINTON...30 MILES WEST OF SEDALIA. A;LL OF THE THUNDERSTORMS WERE MOVING NORTHEAST AT 40 MPH. CENTRAL MISSOURI CONTINUES TO BE UNDER THE THREAT OF SEVERE WEATHER FOR THE REST OF THE DAY. STAY TUNED TO WEATHER RADIO OR COMMERCIAL RADIO AND TELEVISION FOR LATER UPDATES. LARM
Special weather statement, Jul 2, 12:31 PM CDT, 2 hours 17 minutes before
MOZ002-003-006-007-009-010-011-021830- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 1225 PM CDT THU JUL 2 1992 ...TORNADO WATCH IN EFFECT FOR THE NORTHEAST QUARTER OF MISSOURI AND WEST CENTRAL ILLINOIS UNTIL 5 PM... AT 1220 PM...NWS DOPPLER RADAR SHOWED SEVERE THUNDERSTORMS MOVING OVER THE EXTREME NORTHEAST PORTIONS OF NORTHEAST. OTHER SEVERE STORMS REMAIN POSSIBLE OVER MUCH OF THE NORTHEAST QUARTER OF MISSOURI AND WEST CENTvRAL ILLINOIS. A TORNADO WATCH IS THEREFORE IN EFFECT FOR THIS AREA UNTIL 5 PM. STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL TV STATION FOR THE LATEST INFORMATION OF THIS DANGEROUS WEATHER SITUATION. GOETSCH
Special weather statement, Jul 2, 1:04 PM CDT, 1 hour 44 minutes before
MOZ003-006-007-021900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 102 PM CDT THU JUL 2 1992 STRONG THUNDERSTORMS DEVELOPING OVER PARTS OF NORTHEAST MISSOURI... AT 100 PM CDT...NWS DOPPLER RADAR SHOWED A SMALL AREA OF STRONG THUNDERSTORMS DEVELOPING OVER WESTERN LEWIS AND MARION COUNTIES IN NORTHEAST MISSOURI...ABOUT 10 MILES WEST OF QUINCY TO 35 MILES SOUTHWEST OF QUINCY. THESE STORMS ARE CAPABLE OF PRODUCING GUSTY SURXFACE WINDS...SMALL HAIL...AND TORRENTIAL RAINFALL. THE THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT 35 TO 40 MILES AN HOUR. RP
Special weather statement, Jul 2, 1:13 PM CDT, 1 hour 35 minutes before
MOZALL-021900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 110 PM CDT THU JUL 2 1992 ...MORE THUNDERSTORMS DEVELOPING IN CENTRAL MISSOURI... ...A TORNDAO WATCH IS IN EFFECT FOR THE NORTHERN HALF OF MID MISSOURI UNTIL 5PM... AT 105 PM...AN ISOLATED THUNDERSTORM WITH VERY HEAVY RAIN WAS IN CENTRAL MISSOURI JUST NORTH OF FAYETTE OR 25 MILES NORTHWEST OF COLUMBIA. THE STORM WAS MOVING NROTHEAST AT 35 MPH AND WILL MOVE OVER MOBERLY BY 130 PM. OTHER THUNDERSTORMS WITH HEAVY RAIN WERE MOVING INTO NORTHWEST PARTS OF CENTRAL MISSOURI. LARM
Special weather statement, Jul 2, 2:08 PM CDT, 40 minutes before
MOZALL-022000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 205 PM CDT THU JUL 2 1992 ...A TORNDAO WATCH IS IN EFFECT FOR THE NORTHERN HALF OF MID MISSOURI UNTIL 5PM... AT 200 PM THUNDERSTORMS WERE SCATTERED ALONG A LINE 15 MILES WIDE FROM NEAR THE CITY OF COLUMBIA TO ABOUT HANIBAL...AND ANOTHER CLUSTER OF THUNDERSTORMS WERE 35 MILES SOUTHWEST OF KIRKSVILLE BEWEEN SALISBURY AND BROOKFIELD. ALL OF THE THUNDERSTORMS WERE MOVING NORTHEAST AT 35 MILES AN HOUR. THE THUNDERSTORMS IN CENTRAL MISSOURI WERE PRODUCING BRIEF HEAVY RAIN...DEADLY LIGHTNING AND GUSTY WINDS...BUT WERE CAPABLE OF INTENSIFYING IN THE UNSTABLE AIR ACROSS THE AREA THE REST OF THIS AFTERNOON AND THIS EVENING. PERSONS ACROSS NORTH CENTRAL MISSOURI SHOULD REMAIN ALERT TO THE POSSIBILITY OF SEVERE THUNDERSTORMS THAT COULD PRODUCE TORNADOES THE REST OF THIS AFTERNOON AND THIS EVENING. LISTEN TO NOAA WEATHER RADIO...OR COMMERCIAL RADIO OR TELEVISION FOR THE LATEST STATEMENTS OR POSSIBLE WARNINGS. LA GREE
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 2, 1:08 PM CDT | Severe Thunderstorm Warning | LSX | Adams | 52 min |
| Jul 2, 1:49 PM CDT | Tornado Warning | LSX | Adams | 41 min |
| Jul 2, 2:18 PM CDT | Tornado Warning | LSX | Adams | 42 min |
| Jul 2, 4:31 PM CDT | Severe Thunderstorm Warning | LSX | Pike | 44 min |
| Jul 2, 4:41 PM CDT | Severe Thunderstorm Warning | LSX | Adams, Brown | 49 min |
| Jul 2, 4:49 PM CDT | Severe Thunderstorm Warning | LSX | Scott | 41 min |
| Jul 2, 5:08 PM CDT | Severe Thunderstorm Warning | LSX | Greene | 37 min |
Nearby
Severe Thunderstorm Warnings in Illinois, 1992Every severe thunderstorm warning in 1992
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.