Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 85, NWS Norman, OK
NWS Norman, OK issued this severe thunderstorm warning at Apr 26, 1989, 8:55 PM CDT for Dewey County, Woodward County, Oklahoma. It was in force for 50 min.
The area
The counties it named.
The facts
- Issued
- Apr 26, 1989, 8:55 PM CDT (01:55 UTC)
- Expired
- Apr 26, 1989, 9:45 PM CDT
- In force
- 50 min
- Issued by
- NWS Norman, OK
- Area
- Whole counties
Counties Dewey County, OK, Woodward County, OK
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Dodge City, (KDDC), launched 00:00Z, 1.9 hours before the alert went out and 187 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
- 29 J/kg
- Mixed-layer CIN
- -77 J/kg
- Mixed-layer LCL
- 3626 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 56 m²/s²
- 0-3 km storm-relative helicity
- 115 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.
The office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 26, 7:08 PM CDT | Severe Thunderstorm Warning | OUN | Harper | 52 min |
| Apr 26, 7:17 PM CDT | Severe Thunderstorm Warning | OUN | Ellis | 43 min |
| Apr 26, 7:22 PM CDT | Severe Thunderstorm Warning | OUN | Woodward | 53 min |
| Apr 26, 7:30 PM CDT | Severe Thunderstorm Warning | OUN | Roger Mills | 45 min |
| Apr 26, 7:36 PM CDT | Severe Thunderstorm Warning | OUN | Greer | 54 min |
| Apr 26, 7:40 PM CDT | Severe Thunderstorm Warning | OUN | Woods | 50 min |
| Apr 26, 7:56 PM CDT | Severe Thunderstorm Warning | OUN | Ellis | 34 min |
| Apr 26, 7:58 PM CDT | Severe Thunderstorm Warning | OUN | Harper | 32 min |
| Apr 26, 8:10 PM CDT | Severe Thunderstorm Warning | OUN | Dewey, Woodward | 50 min |
| Apr 26, 8:19 PM CDT | Severe Thunderstorm Warning | OUN | Roger Mills | 26 min |
| Apr 26, 8:26 PM CDT | Severe Thunderstorm Warning | OUN | Jackson | 49 min |
| Apr 26, 8:31 PM CDT | Severe Thunderstorm Warning | OUN | Tillman | 44 min |
| Apr 26, 8:58 PM CDT | Severe Thunderstorm Warning | OUN | Woods | 47 min |
| Apr 26, 9:01 PM CDT | Severe Thunderstorm Warning | OUN | Roger Mills | 44 min |
| Apr 26, 9:15 PM CDT | Severe Thunderstorm Warning | OUN | Ellis | 45 min |
| Apr 26, 9:43 PM CDT | Severe Thunderstorm Warning | OUN | Roger Mills | 47 min |
| Apr 26, 9:55 PM CDT | Severe Thunderstorm Warning | OUN | Ellis | 50 min |
| Apr 26, 10:40 PM CDT | Severe Thunderstorm Warning | OUN | Woods | 50 min |
| Apr 26, 11:13 PM CDT | Severe Thunderstorm Warning | OUN | Woods | 47 min |
| Apr 26, 11:28 PM CDT | Severe Thunderstorm Warning | OUN | Major | 47 min |
| Apr 26, 11:42 PM CDT | Severe Thunderstorm Warning | OUN | Alfalfa | 63 min |
| Apr 27, 12:02 AM CDT | Severe Thunderstorm Warning | OUN | Woods | 43 min |
| Apr 27, 12:19 AM CDT | Severe Thunderstorm Warning | OUN | Grant | 56 min |
| Apr 27, 12:42 AM CDT | Severe Thunderstorm Warning | OUN | Alfalfa, Garfield | 48 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 1989Every severe thunderstorm warning in 1989
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.