Alert archive / Iowa / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 33, NWS Quad Cities, IA
NWS Quad Cities, IA issued this severe thunderstorm warning at Jul 13, 1992, 3:36 PM CDT for Jones County, Iowa. It was in force for 39 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
- Jul 13, 1992, 3:36 PM CDT (20:36 UTC)
- Expired
- Jul 13, 1992, 4:15 PM CDT
- In force
- 39 min
- Issued by
- NWS Quad Cities, IA
- Area
- Whole counties
County Jones County, IA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 13, 3:42 PM CDT | Tornado F3 | Jones, IA | |
| Jul 13, 3:45 PM CDT | Tornado F2 | Jones, IA |
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
Green Bay/Straub, WI (KGRB), launched 12:00Z, 8.6 hours before the alert went out and 359 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
- 817 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- -69 m²/s²
- 0-3 km storm-relative helicity
- 81 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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 13, 3:16 PM CDT, 20 minutes before
ILZ004-IAZ078-088-089-099-132130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOLINE IL 315 PM CDT MON JUL 13 1992 ...SHOWERS AND THUNDERSTORMS ARE APPROACHING THE BISTATE AREA.. AT 315 PM CDT...A LINE OF SHOWERS AND THUNDERSTORMS WERE BEGINNING TO MOVE INTO WESTERN PORTIONS OF THE BISTATE AREA. THIS LINE OF STORMS WILL MOVE INTO CEDAR COUNTY IOWA BY 330 PM. AT 315 PM...THE LINE WAS LOCATED FROM DUBUQUE IOWA...TO CEDAR RAPIDS..TO 20 MILES NORTH OF OTTUMWA. THE LINE WAS MOVING NORTHEAST AT 35 MILES AN HOUR...AND WILL LIKELY PRODUCE STRONG WIND AND SMALL HAIL. PERSONS IN CEDAR COUNTY SHOULD EXPECT STRONG WINDS BY 330 PM CDT. LAGUE
The office that day
Everything else NWS Quad Cities, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| 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 |
| Jul 13, 5:31 PM CDT | Severe Thunderstorm Warning | DVN | Louisa | 29 min |
| Jul 13, 6:10 PM CDT | Severe Thunderstorm Warning | DVN | Henry | 50 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.