Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 95, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Sep 15, 1987, 10:06 PM CDT for Adair County, Oklahoma. It was in force for 24 min.
The area
The counties it named.
The facts
- Issued
- Sep 15, 1987, 10:06 PM CDT (03:06 UTC)
- Expired
- Sep 15, 1987, 10:30 PM CDT
- In force
- 24 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
County Adair 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
Springfield, MO (KUMN), launched 00:00Z, 3.1 hours before the alert went out and 137 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
- 346 J/kg
- Mixed-layer CIN
- -57 J/kg
- Mixed-layer LCL
- 877 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 238 m²/s²
- 0-3 km storm-relative helicity
- 190 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 3.1
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KTUL 160306
SVRTUL
OKC001-160330-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
1006 PM CDT TUE SEP 15 1987
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 1030 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY...
IN EAST CENTRAL OKLAHOMA
...ADAIR
AT 1005 PM CDT THE TULSA RADAR INDICATED A SEVERE THUNDERSTORM
5 MILES NORTH OF STILWELL OKLAHOMA. THIS STORM WAS MOVING EAST
AT 30 MPH AND SHOULD MOVE INTO WESTERN ARKANSAS SHORTLY.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MPH...
LARGE HAIL...DEADLY LIGHTNING AND VERY HEAVY RAIN. FOR YOUR
PROTECTION MOVE TO AN INTERIOR ROOM ON FTHE LOWEST FLOOR OF YOUR
HOME OR BUSINESS.
KEEP TUNED TO THIS STATION FOR THE LATEST WEATHER BULLETINS.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, Sep 15, 10:02 PM CDT, 4 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA, OK
1002 PM CDT TUE SEP 15 1987
TIME/CST COUNTY EVENT (CD=CIVIL DEFENSE OHP=OK HIGHWAY PAT'L)
655 PM CREEK DIME SIZE HAIL REPORTED NEAR OILTON OKLAHOMA.
PEAK WINDS OF 40 MPH. FROM POLICE.
730 PM CREEK NORTH OF SAPULPA OKLAHOMA DIME SIZE HAIL.
REPORT FROM STORM SPOTTERS.
815 PM CREEK WESTSIDE OF BRISTOW OKLAHOMA. HIGH WINDS
DOWN POWER LINES AND TREES. FROM SHERIFF OF.
830 PM CREEK FUNNEL CLOUDS REPORTED BY SAPULPA CIVIL DEF.
SPOTTERS. NO TOUCH DOWNS REPORTED.
835 PM CREEK SPOTTERS 2 MILES NORTH OF SAPUPLA OKLAHOMA
ON HIGHWAY 97 REPORT WIND GUST TO 55 MPH.
850 PM TULSA SCATTERED REPORTS OF TREES AND POWER LINES
DOWN MAINLY IN WEST AND SOUTH TULSA OKLAHOMA.
REPORT FROM SPOTTERS A8ND POLICE.The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 15, 7:15 PM CDT | Severe Thunderstorm Warning | TSA | Osage, Tulsa | 60 min |
| Sep 15, 7:45 PM CDT | Severe Thunderstorm Warning | TSA | Rogers, Tulsa | 60 min |
| Sep 15, 7:54 PM CDT | Severe Thunderstorm Warning | TSA | Creek | 60 min |
| Sep 15, 8:35 PM CDT | Severe Thunderstorm Warning | TSA | Tulsa | 40 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 1987Every severe thunderstorm warning in 1987
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.