Alert archive / Arkansas / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 163, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at May 26, 1990, 1:20 PM CDT for Sequoyah County, Oklahoma; Crawford County, Sebastian County, Arkansas. It was in force for 55 min. 1 report 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
- May 26, 1990, 1:20 PM CDT (18:20 UTC)
- Expired
- May 26, 1990, 2:15 PM CDT
- In force
- 55 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
Counties Crawford County, AR, Sebastian County, AR, Sequoyah County, OK
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 26, 1:30 PM CDT | Hail 0.75 | Sebastian, AR |
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
Norman, OK (KOUN), launched 12:00Z, 6.3 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
- 1863 J/kg
- Mixed-layer CIN
- -391 J/kg
- Mixed-layer LCL
- 1411 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 202 m²/s²
- 0-3 km storm-relative helicity
- 211 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
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
Local storm report, May 26, 10:32 AM CDT, 2 hours 48 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
1030 AM CDT SAT MAY 26 1990
ATTN SELS...REPORTS FOR THIS MORNING, 5/26/90
TIME/CDT COUNTY EVENT
558 AM OSAGE DIME SIZE HAIL AT FAIRFAX
635 AM PAWNEE GOLFBALL SIZE HAIL AT RALSTON
730 AM OSAGE DIME SIZE HAIL AT PAWHUSKA
825 AM OSAGE DIME SIZE HAIL 5 MILES WEST OF BARTLESVILLE
825 AM WASHINGTON DIME SIZE HAIL AT BARTLESVILLE
837 AM W\ASHINGTON WIDESPREAD GOLFBALL SIZE AND QUARTER SIZE HAIL
AT BARTLESVILLE
905 AM WASHINGTON DIME SIZE TO QUARTER SIZE HAIL IN BARTLESVILLE
920 AM NOWATA DIME SIZE HAIL AT NOWATAThe office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 26, 5:29 AM CDT | Severe Thunderstorm Warning | TSA | Osage | 61 min |
| May 26, 6:32 AM CDT | Severe Thunderstorm Warning | TSA | Osage, Pawnee | 58 min |
| May 26, 7:29 AM CDT | Severe Thunderstorm Warning | TSA | Osage | 46 min |
| May 26, 8:00 AM CDT | Severe Thunderstorm Warning | TSA | Rogers | 45 min |
| May 26, 8:12 AM CDT | Severe Thunderstorm Warning | TSA | Osage, Washington | 48 min |
| May 26, 8:48 AM CDT | Severe Thunderstorm Warning | TSA | Nowata | 42 min |
| May 26, 8:59 AM CDT | Severe Thunderstorm Warning | TSA | Washington | 46 min |
| May 26, 1:20 PM CDT | Severe Thunderstorm Warning | TSA | LeFlore | 55 min |
| May 26, 9:18 AM CDT | Severe Thunderstorm Warning | TSA | Benton | 57 min |
| May 26, 10:00 AM CDT | Severe Thunderstorm Warning | TSA | Madison, Washington | 60 min |
| May 26, 10:53 AM CDT | Severe Thunderstorm Warning | TSA | Benton | 67 min |
| May 26, 12:27 PM CDT | Severe Thunderstorm Warning | TSA | Franklin | 63 min |
| May 26, 12:44 PM CDT | Severe Thunderstorm Warning | TSA | Logan | 61 min |
| May 26, 2:16 PM CDT | Severe Thunderstorm Warning | TSA | Logan, Scott | 59 min |
Nearby
Severe Thunderstorm Warnings in Arkansas, 1990Severe Thunderstorm Warnings in Oklahoma, 1990Every severe thunderstorm warning in 1990
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.