Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 100, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Aug 1, 1986, 10:36 PM CDT for Osage County, Pawnee County, Oklahoma. It was in force for 54 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
- Aug 1, 1986, 10:36 PM CDT (03:36 UTC)
- Expired
- Aug 1, 1986, 11:30 PM CDT
- In force
- 54 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
Counties Osage County, OK, Pawnee 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 |
|---|---|---|---|
| Aug 1, 10:55 PM CDT | Thunderstorm Wind 0 | Pawnee, OK |
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
Ok Cty/Will Rgrs, OK (KOKC), launched 00:00Z, 3.6 hours before the alert went out and 152 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
- 2208 J/kg
- Mixed-layer CIN
- -38 J/kg
- Mixed-layer LCL
- 2562 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 18 m²/s²
- 0-3 km storm-relative helicity
- 44 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
Local storm report, Aug 1, 8:01 PM CDT, 2 hours 35 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
800 PM CDT FRI AUG 1 1986
TIME/CDT COUNTY EVENT (CD=CIVIL DEFENSE OHP=OK HIGHWAY PAT'L)
610 PM TULSA 3 INCHE HAIL REPORTED BY SEVERE WEATHER SPOTTER
ON EAST ADMIRAL AVE IN SOUTHEAST TULSA, OK
615 PM WAGONER BASE BALL SIZE REPORTED JUST EAST NORTHEAST
OF BROKEN ARROW, OKLA. CAR WINDOWS BROKEN.
REPORTED BY TULSA FSSThe office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 1, 10:57 PM CDT | Severe Thunderstorm Warning | TSA | Creek, Tulsa | 63 min |
| Aug 2, 1:42 AM CDT | Severe Thunderstorm Warning | TSA | LeFlore, Sequoyah | 58 min |
| Aug 2, 1:42 AM CDT | Severe Thunderstorm Warning | TSA | Benton, Washington | 58 min |
| Aug 2, 2:07 AM CDT | Severe Thunderstorm Warning | TSA | Crawford, Madison | 58 min |
| Aug 2, 2:07 AM CDT | Severe Thunderstorm Warning | TSA | Sebastian | 58 min |
| Aug 2, 2:40 AM CDT | Severe Thunderstorm Warning | TSA | Logan, Scott | 60 min |
| Aug 2, 2:40 AM CDT | Severe Thunderstorm Warning | TSA | Franklin | 60 min |
| Aug 2, 3:02 AM CDT | Severe Thunderstorm Warning | TSA | Polk | 58 min |
| Aug 2, 3:02 AM CDT | Severe Thunderstorm Warning | TSA | Johnson | 58 min |
| Aug 2, 3:42 AM CDT | Severe Thunderstorm Warning | TSA | Logan, Polk, Scott | 58 min |
| Aug 2, 3:42 AM CDT | Severe Thunderstorm Warning | TSA | Franklin, Johnson | 58 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 1986Every severe thunderstorm warning in 1986
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.