Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1995
Severe Thunderstorm Warning 161, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at May 27, 1995, 4:35 PM CDT for Delaware County, Ottawa County, Oklahoma. It was in force for 40 min.
The area
The counties it named.
The facts
- Issued
- May 27, 1995, 4:35 PM CDT (21:35 UTC)
- Expired
- May 27, 1995, 5:15 PM CDT
- In force
- 40 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
Counties Delaware County, OK, Ottawa County, OK
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 9.6 hours before the alert went out and 95 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
- 1031 J/kg
- Mixed-layer CIN
- -21 J/kg
- Mixed-layer LCL
- 576 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 195 m²/s²
- 0-3 km storm-relative helicity
- 191 m²/s²
- Significant tornado parameter
- 1.0
- Supercell composite
- 7.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KTUL 272137 SVRTUL OKC041-115-272215- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 435 PM CDT SAT MAY 27 1995 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 515 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTHEAST OKLAHOMA ...NORTHERN DELAWARE COUNTY...SOUTHERN OTTAWA COUNTY AT 435 PM WEATHER SERVICE RADAR SHOWED A SEVERE THUNDERSTORM 5 MILES WEST OF BERNICE...MOVING NORTHEAST AT 35 MPH. AFTON...BERNICE...AND FAIRLAND ARE IN THE PATH OF THIS STORM. HAIL TO THE SIZE OF NICKELS AND WIND GUSTS TO 60 MPH CAN BE EXPECTED IN THE WARNED AREA. DURING THE STORM MOVE INDOORS AND STAYz AWAY FROM WINDOWS. TO PROTECT YOURSELF FROM LIGHTNING DO NOT USE THE TELEPHONE OR HAND HELD ELECTRICAL APPLIANCES...UNLESS IN AN EMERGENCY. MOTORISTS SHOULD BE ALERT FOR WATER ON ROADWAYS AND NEVER DRIVE ONTO A FLOODED ROAD.
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.
NWS Tulsa, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at May 27, 3:43 PM CDT, 52 minutes earlier.
Area forecast discussion, May 27, 3:43 PM CDT, 52 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 345 PM CDT SAT MAY 27 1995 ENHANCED CLOUDINESS ON 4 KM IR LOOP WAS LEAVING THE FORECAST AREA AT 20Z AND 4 KM VISIBLE WAS SHOWING A HEALTHY CU FIELD LEFT BEHIND. A FEW SHOWERS AND THUNDERSTORMS HAVE POPPED UP IN THE CU FIELD AND BELIEVE THEY SHOULD DIE OR MOVE OFF BY OR AFTER SUNSET AS BELIEVE THE MAIN UPPER DYNAMICS WERE ASSOCIATED WITH THE ENHANCED CLOUDINESS. THUS...THE FLASH FLOOD WATCH WILL BE ALLOWED TO EXPIRE. MOISTURE SHOULD CONTINUE TO SHALLOW OUT WITH THE WIND BECOMING MORE WESTERLY TONIGHT. A COLD FRONT WILL PASS THROUGH THE AREA TONIGHT AND EARLY TOMORROW...BUT HIGH TEMPERATURES SUNDAY SHOULD BE AT LEAST AS WARM AS TODAYS WITH A WESTERLY COMPONENT TO THE WIND AND SUNSHINE POKING THROUGH WHATEVER MID AND HIGH CLOUDS A SPOKE OF THE MAIN UPPER LOW CONJURE. LIKE AVN DEPICTION OF HIGH PRESSURE BUILDING INTO THE AREA MONDAY. THUS...MEMORIAL DAY SHOULD BE PLEASANT WITH PLENTY OF SUNSHINE AND TEMPERATURES SLIGHTLY COOLER THAN SUNDAY. TUL 065/083 057/080 055 -000 FSM 066/087 058/084 056 1000 MLC 066/086 060/083 056 -000 BVO 063/083 055/078 054 0000 FYV 065/080 055/078 053 1000 IDB 069/087 062/082 060 1000 BYV 066/079 054/077 052 1000 .TUL...NONE. ABBAS
In the hours before
Special weather statement, May 27, 1:57 PM CDT, 2 hours 38 minutes before
ARZ001-002-010-011-019-029-OKZ054>077-281200- EASTERN OKLAHOMA/NORTHWEST ARKANSAS THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE TULSA OK 130 PM CDT SAT MAY 27 1995 THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND EARLY TONIGHT ACROSS ALL OF EASTERN OKLAHOMA AND NORTHWEST ARKANSAS. THE THREAT AREA IS EAST OF A LINE FROM VINITA TO MCALESTER. THUNDERSTORMS MAY APPROACH SEVERE LIMITS ACROSS THE REMAINDER OF EASTERN OKLAHOMA WEST OF THE NOWATA/MCALESTER LINE. A SURFACE DRYLINE EXTENDED FROM NORTHWEST OKLAHOMA...TO JUST EAST OF MIDLAND TEXAS. THE DRYLINE IS EXPECTED TO APPROACH CENTRAL OKLAHOMA BY LATE THIS AFTERNOON AND MOVE INTO EASTERN OKLAHOMA THIS EVENING. SHOWERS AND THUNDERSTORMS ARE EXPECTED TO DEVELOP ALONG THE DRYLINE THIS AFTERNOON. AN UPPER LEVEL DISTURBANCE WILL LIFT NORTHEAST ACROSS THE CENTRAL PLAINS. SUFFICIENT LOW LEVEL MOISTURE AND INSTABILITY WILL ALLOW FOR A FEW OF THE THUNDERSTORMS TO REACH SEVERE LIMITS THIS AFTERNOON AND EARLY THIS EVENING....ESPECIALLY ACROSS EXTREME EASTERN OKLAHOMA AND NORTHWEST ARKANSAS. LARGE HAIL AND DAMAGING WINDS WILL BE THE MAIN THREATS. STORM SPOTTER GROUPS AND EMERGENCY MANAGEMENT AGENCIES ACROSS EXTREME EAjSTERN OKLAHOMA AND NORTHWEST ARKANSAS SHOULD STAY ABREAST OF THE LATEST CONDITIONS AND FORECASTS...AND BE PREPARED FOR ACTIVATION LATE THIS AFTERNOON OR EARLY TONIGHT.
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 27, 1:51 AM CDT | Severe Thunderstorm Warning | TSA | Creek, Okfuskee | 69 min |
| May 27, 4:23 PM CDT | Severe Thunderstorm Warning | TSA | Craig | 37 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 1995Every severe thunderstorm warning in 1995
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.