Alert archive / Iowa / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 39, NWS Quad Cities, IA
NWS Quad Cities, IA issued this severe thunderstorm warning at Jul 13, 1992, 5:31 PM CDT for Louisa County, Iowa. It was in force for 29 min.
The area
The counties it named.
The facts
- Issued
- Jul 13, 1992, 5:31 PM CDT (22:31 UTC)
- Expired
- Jul 13, 1992, 6:00 PM CDT
- In force
- 29 min
- Issued by
- NWS Quad Cities, IA
- Area
- Whole counties
County Louisa County, IA
The nearest sounding before it
Omaha, NE (KOVN), launched 12:00Z, 10.5 hours before the alert went out and 427 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
- 91 J/kg
- Mixed-layer CIN
- -150 J/kg
- Mixed-layer LCL
- 554 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 3 m²/s²
- 0-3 km storm-relative helicity
- 90 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 KMLI 132231 RRA
SVRMLI
IAC115-132300-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOLINE IL
531 PM CDT MON JUL 13 1992
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 600 PM CDT FOR PEOPLE IN THE FOLLOWING
COUNTY
IN THE EXTREME EAST PART OF IOWA
LOUISA
AT 525 PM CDT RADAR INDICATED A SEVERE THUNDERSTORM NEAR WAPELLO
IOWA OR 20 MILES SOUTHWEST OF MUSCATINE IOWA MOVING NORTHEAST AT
35 MPH.
SOME CITIES/TOWNS IN THE PATH OF THIS STORM INCLUDE... COLUMBUS
JUNCTION IOWA WHICH COULD SEE LARGE HAIL AND GUSTY WINDS BY 545 PM.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...
DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF
YOUR HOME OR BUSINESS. STAY INSIDE AWAY FROM WINDOWS UNTIL THE
STORM HAS PASSED.
THESE SLOW MOVING THUNDERSTORMS MAY CAUSE FLOODING OF SMALL
STREAMS AND UNDERPASSES. DO NOT DRIVE THROUGH FLOODED AREAS.
REMEMBER...SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
TORNADOES WITH LITTLE OR NO WARNING. BE ON THE LOOKOUT AND BE
PREPARED TO MOVE TO A PLACE OF SAFETY IF ONE IS SPOTTED.
IF TIME PERMITS...ASK THE NEAREST LAW ENFORCEMENT AGENCY TO RELAY
YOUR REPORT OF SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE.
MEYER 2230ZWhat 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 13, 3:40 PM CDT, 1 hour 51 minutes before
ILZ004-IAZ078-088-089-099-132130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOLINE IL 335 PM CDT MON JUL 13 1992 ...SHOWERS AND THUNDERSTORMS ARE MOVING INTO THE BISTATE AREA.. AT 335 PM CDT...A LINE OF SHOWERS AND THUNDERSTORMS WERE MOVING INTO CEDAR COUNTY IOWA. THESE STORMS PRODUCED DAMAGE NEAR CEDAR RAPIDS IOWA WITH WIND GUSTS TO 50 MILES AN HOUR. PERSONS IN CEDAR COUNTY SHOULD EXPECT STRONG WIND GUSTS BETWEEN 330 AND 415 PM CDT. THE THUNDERSTORMS WERE PART OF A LINE OF STRONG STORMS WITH HEAVY RAIN WHICH EXTENDED FROM DUBUQUE IOWA...TO CEDAR COUNTY...TO NEAR OTTUMA. THE SHOWERS AND THUNDERSTORMS WERE MOVING NORTHEAST AT 35 MILES AN HOUR. LAGUE
Special weather statement, Jul 13, 3:48 PM CDT, 1 hour 43 minutes before
ILZ004-IAZ078-088-089-099-132130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOLINE IL 345 PM CDT MON JUL 13 1992 ...THUNDERSTORMS WITH STRONG WINDS ARE MOVING THROUGH WESTERN AND NORTHERN PORTIONS OF THE BISTATE AREA... AT 345 PM CDT...STRONG THUNDERSTORMS WITH HEAVY RAIN AND GUSTY WINDS WERE IN CENTRAL CEDAR COUNTY...AND MOVING INTO NORTHWEST CLINTON COUNTY IOWA. WIND GUSTS TO 50 MILES AN HOUR CAN BE EXPECTED WITH THESE STORMS...AS WELL AS VERY HEAVY RAIN AND SMALL HAIL. THE THUNDERSTORMS WERE PART OF A LINE OF STRONG STORMS WITH HEAVY RAIN WHICH EXTENDED FROM DUBUQUE IOWA...TO CEDAR COUNTY...TO NEAR OTTUMA. OTHER STORMS WERE DEVELOPING IN WESTERN CLINTON COUNTY..AND IN WHIDTESIDE COUNTY IOWA. THE STORMS WERE MOVING NORTHEAST AT 35 MILES AN HOUR. LAGUE
Special weather statement, Jul 13, 4:36 PM CDT, 55 minutes before
ILZ004-IAZ078-088-089-099-132230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOLINE IL 430 PM CDT MON JUL 13 1992 ...SEVERE THUNDERSTORM WARNING FOR CLINTON COUNTY IOWA HAD EXPIRED AT 430 PM CDT... ...SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR ALL OF THE BISTATE REGION UNTIL 9 PM CDT... AT 430 PM A LINE OF STRONG THUNDERSTORMS...PRODUCING GUSTY WINDS AND VERY HEAVY RAIN...EXTENDED FROM 20 MILES NORTH OF CLINTON IOWA...TO 20 MILES NORTHWEST OF THE QUAD CITIES...TO 25 MILES NORTHWEST OF MT PLEASANT IOWA. THE LINE OF THUNDERSTORMS WAS SLOWLY MOVING EAST WHILE STORMS IN THE LINE WERE MOVING NORTHEAST AT 35 MPH. IF YOU LIVE IN CLINTON IOWA...THE QUAD CITIES...AND NEIGHBORING COMMUNITIES...BE PREPARED FOR 40 TO 50 MPH WIND GUSTS AND VERY HEAVY RAIN BETWEEN 445 AND 515 PM. THIS AFTERNOONS THUNDERSTORMS ARE CAPABLE OF PRODUCING HEAVY AMOUNTS OF RAIN IN A SHORT PERIOD OF TIME. IF YOU PLAN OF HEADING HOME FROM WORK AROUND 5 PM...BE PREPARED FOR HEAVY RAIN AND POSSIBLE STREET FLOODING. AS ALWAYS...IF THREATENING WEATHER APPROACHES...BE PREPARED TO SEEK SHELTER. MEYER
Special weather statement, Jul 13, 4:51 PM CDT, 40 minutes before
IAZALL-132300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DUBUQUE IA 451 PM CDT MON JUL 13 1992 ...SEVERE THUNDERSTORM WATCH UNTIL 900 PM CDT... AT 450 PM CDT...RADAR INDICATED THUNDERSTORMS IN THE EASTERN PART OF THE TRI-STATE AREA THAT EXTENDED FROM THE SOUTHEAST PART OF LAFAYETTE COUNTY WISCONSIN 30 MILES EAST OF DUBUQUE...SOUTH THROUGH THE EASTERN PART OF JO-DAVIES COUNTY ILLINOIS. THE STORMS WERE PRODUCING SOME HEAVY RAINS AND WINDS OF 40 TO 50 MILES AN HOUR. AT 347 PM CDT...A TORNADO WAS REPORTED BY CIVIL DEFENSE IN JONES COUNTY IOWA...IN THE TOWN OF SCOTCH GROVE...30 MILES SOUTHWEST OF DUBUQUE AND SOME HOME DAMAGE OCCURRED. A SUSPECTED TORNADO WAS REPORTED IN OXFORD JUNCTION AND SOME DAMAGE TO A TRAILER OCCURRED. AT 355 PM CDT...CIVIL DEFENSE REPORTED A SEVERE WEATHER THAT PRODUCED ROOF DAMAGE...TREES BLOWN OVER HOUSES...AND THEY SUSPECT A TORNADO MAY HAVE PRODUCED THE DAMAGE. ELSEWHERE HEAVY RAINS PRODUCED SOME STREET AND SMALL STREAM FLOODING. OVER TWO (2) INCHES OF RAIN REPORTED BY CIVIL DEFENSE IN DUBUQUE COUNTY...AND OTHER LOCATIONS REPORTED SIMILIAR RAINS. PERSONS IN THE TRI-STATES SHOULD BE ALERT FOR THE POSSIBILITY OF MORE SEVERE WEATHER IN THE AREA. STAY TUNED TO YOUR RADIO...TV AND NOAA WEATHER RADIO FOR REPORTS AND WEATHER UPDATES. KOWALSKI NNNN
Special weather statement, Jul 13, 5:03 PM CDT, 28 minutes before
ILZ004-IAZ078-088-089-099-132300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOLINE IL 500 PM CDT MON JUL 13 1992 ...SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR ALL OF THE BISTATE REGION UNTIL 9 PM CDT... AT 445 PM A LINE OF STRONG THUNDERSTORMS...PRODUCING GUSTY WINDS AND VERY HEAVY RAIN...STRETCHED FROM FREEPORT ILLINOIS...SOUTHWESTWARD THROUGH CLINTON IOWA...TO JUST WEST OF MUSCATINE IOWA...TO 25 MILES SOUTHEAST OF OTTUMWA IOWA. THE THUNDERSTORMS WERE MOVING SLOWLY EAST WHILE STORMS WITHIN THE LINE WERE MOVING NORTHEAST AT 35 MPH. THE STRONGEST STORMS WERE IN THE SOUTHERN PORTION OF THE LINE FROM JUST NORTH OF THE QUAD CITIES SOUTHWARD. PERSONS IN THE PATH OF THESE STOrRMS...INCLUDING THE QUAD CITIES...CLINTON AND MUSCATINE IOWA...AND LOUISA AND HENRY COUNTIES IN IOWA...CAN EXPECT WIND GUSTS TO 50 MILES AN HOUR...VERY HEAVY RAIN...SMALL HAIL AND DANGEROUS LIGHTNING BETWEEN 500 AND 630 PM. COOPER
Special weather statement, Jul 13, 5:16 PM CDT, 15 minutes before
IAZALL-132315- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DUBUQUE IA 516 PM CDT MON JUL 13 1992 ...SEVERE THUNDERSTORM WATCH UNTIL 900 PM CDT... AT 512 PM CDT...SHOWERS AND THUNDERSTORMS CONTINUED OVER THE ENTIRE TRI-STATE AREA. THE STRONGER THUNDERSTORMS...PRODUCING HEAVY RAINS WERE EAST OF THE TRI-STATES. SHOWERS AND A FEW THUNDERSTORMS WILL BE IN THE TRI-STATES...AT LEAST FOR THE NEXT COUPLE OF HOURS...AND A SEVERE THUNDERSTORM WATCH IN IN EFFECT UNTIL 900 PM. CONDITIONS ARE FAVORABLE FOR POSSIBLE SEVERE WEATHER IN THE TRI-STATES...AND IF THREATENING WEATHER IS SIGHTED...TAKE COVER IMMEDIATELY...LISTEN TO RADIO...TEVEVISION STATIONS AND NOAA WEATHER RADIO FOR UPDATES ON WEATHER CONDITIONS IN THE TRI-STATES. KOWALSKI NNNN
The office that day
Everything else NWS Quad Cities, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 13, 3:36 PM CDT | Severe Thunderstorm Warning | DVN | Jones | 39 min |
| Jul 13, 3:50 PM CDT | Tornado Warning | DVN | Jones | 25 min |
| Jul 13, 4:00 PM CDT | Severe Thunderstorm Warning | DVN | Jackson | 30 min |
| Jul 13, 4:03 PM CDT | Severe Thunderstorm Warning | DVN | Clinton | 27 min |
| Jul 13, 4:42 PM CDT | Severe Thunderstorm Warning | DVN | Jefferson | 48 min |
| Jul 13, 4:42 PM CDT | Severe Thunderstorm Warning | DVN | Jones | 48 min |
| Jul 13, 5:22 PM CDT | Severe Thunderstorm Warning | DVN | Muscatine, Scott | 53 min |
Nearby
Severe Thunderstorm Warnings in Iowa, 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.