Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1988
Severe Thunderstorm Warning 49, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Apr 5, 1988, 3:41 PM CDT for McIntosh County, Oklahoma. It was in force for 64 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
- Apr 5, 1988, 3:41 PM CDT (20:41 UTC)
- Expired
- Apr 5, 1988, 4:45 PM CDT
- In force
- 64 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
County McIntosh 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 |
|---|---|---|---|
| Apr 5, 3:55 PM CDT | Hail 1.75 | Mcintosh, 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 12:00Z, 8.7 hours before the alert went out and 175 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
- 222 J/kg
- Mixed-layer CIN
- -443 J/kg
- Mixed-layer LCL
- 1743 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 144 m²/s²
- 0-3 km storm-relative helicity
- 115 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 KTUL 052042
SVRTUL
OKC091-052145-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
341 PM CDT TUE APR 5 1988
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 445 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN EAST CENTRAL OKLAHOMA
...MCINTOSH
AT 340 PM RADAR INDICATED A SEVERE THUNDERSTORM 15 MILES
SOUTHEAST OF HENRYETTA, OKLAHOMA MOVING NORTHEAST AT 35 MPH.
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER...
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.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, Apr 5, 3:08 PM CDT, 33 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA, OK
306 PM CDT TUE APR 05 1988
TIME/CST COUNTY EVENT (CD=CIVIL DEFENSE OHP=OK HIGHWAY PAT'L)
304 PM OKMULGEE GOLF BALL SIZE HAIL COVERING THE GROUND IN
OKMULGEE OK. ONE INCH HAD ALREADY ACCUMULATED
AND STILL OCCURRING. REPORTED BY RESIDENT.
kThe office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 5, 2:57 PM CDT | Severe Thunderstorm Warning | TSA | Okfuskee, Okmulgee | 63 min |
| Apr 5, 3:25 PM CDT | Tornado Warning | TSA | Muskogee, Okmulgee, Wagoner | 65 min |
| Apr 5, 4:06 PM CDT | Severe Thunderstorm Warning | TSA | Cherokee, Delaware | 69 min |
| Apr 5, 4:13 PM CDT | Severe Thunderstorm Warning | TSA | Pittsburg | 62 min |
| Apr 5, 4:29 PM CDT | Severe Thunderstorm Warning | TSA | Sequoyah | 61 min |
| Apr 5, 4:32 PM CDT | Severe Thunderstorm Warning | TSA | Haskell, Muskogee | 58 min |
| Apr 5, 4:54 PM CDT | Severe Thunderstorm Warning | TSA | Adair | 51 min |
| Apr 5, 5:20 PM CDT | Severe Thunderstorm Warning | TSA | LeFlore, Sequoyah | 55 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 1988Every severe thunderstorm warning in 1988
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.