Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1995
Severe Thunderstorm Warning 159, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at May 27, 1995, 1:51 AM CDT for Creek County, Okfuskee County, Oklahoma. It was in force for 69 min.
The area
The counties it named.
The facts
- Issued
- May 27, 1995, 1:51 AM CDT (06:51 UTC)
- Expired
- May 27, 1995, 3:00 AM CDT
- In force
- 69 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
Counties Creek County, OK, Okfuskee County, OK
The radar
The Tulsa radar (KINX), 89 km from the middle of the area, began a volume at 06:51 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Norman, OK (KOUN), launched 00:00Z, 6.9 hours before the alert went out and 108 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
- 1554 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 732 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 161 m²/s²
- 0-3 km storm-relative helicity
- 217 m²/s²
- Significant tornado parameter
- 1.2
- Supercell composite
- 6.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KTUL 270653 SVRTUL OKC107-037-270800- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 151 AM CDT SAT MAY 27 1995 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 300 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN EAST CENTRAL OKLAHOMA ...NORTHERN OKFUSKEE COUNTY IN NORTHEAST OKLAHOMA ...CREEK COUNTY AT 150 AM...NATIONAL WEATHER SERVICE RADAR SHOWED A LINE OF STRONG THUNDERSTORMS FROM CUSHING TO PRAGUE. THESE STORMS WERE MOVING NORTH NORTHEAST AT 40 MPH AND HAVE INCREASING POTENTIAL TO PRODUCING DAMAGING WINDS. BRISTOW...DRUMRIGHT AND WELTY ARE IN THE PATH OF THESE STORMS. DAMAGING WINDS WITH GUSTS UP TO 65 MPH WILL OCCUR WITH THIS LINE OF THUNDERSTORMS. IF YOU ARE IN THE PATH OF THESE STORMS SEEK SHELTER IMMEDIATELY IN THE LOWEST FLOOR OF YOUR BUILDING OR HOME. STAY AWAY FROM OUTSIDE WALLS AND WINDOWS. IF YOU ARE :IN A MOBILE HOME YOU SHOULD MOVE TO A MORE SUBSTANTIAL STRUCTURE IF ONE IS NEARBY. 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.
NWS Tulsa, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at May 26, 9:30 PM CDT, 4 hours 21 minutes earlier.
Area forecast discussion, May 26, 9:30 PM CDT, 4 hours 21 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
925 PM CDT FRI MAY 26 1995
KAMA WSR-88D SHOWS THE SQUALL LINE ENTERING WRN OK ATTM IS NOT VERY
IMPRESSIVE WITH MOST STORMS HAVING VIL VALUES AROUND 15. HOWEVER...WILL
KEEP THE FFA GOING OVERNIGHT AND EXTEND IT INTO SATURDAY MORNING BASED
ON THE NEW ETA MODEL WHICH DUMPS OUT A CONSIDERABLE AMOUNT OF RAIN
LATER TONIGHT AND SATURDAY MORNING ACROSS ERN OK AND NW AR.
LOW LEVEL JET HAS YET TO SET UP AND AS IT INCREASES TO AROUND 50 KNOTS
IN THE NEXT 2-4 HOURS...BELIEVE THAT WE WILL SEE AN INCREASE IN TSTM
ACTIVITY ACROSS CENTRAL OK. CURRENT MCS IN TX WILL LIKELY WEAKEN
OVERNIGHT AND A NEW LARGE MCS WILL LIKELY DEVELOP FARTHER NORTH FROM
NEBRASKA THROUGH KS INTO OK. LOOKS LIKE A REPEAT OF THIS MORNING EXCEPT
POTENTIAL IS THERE FOR EVEN HEAVIER RAINS THIS TIME SINCE THE LOW LEVEL
JET WILL BE STRONGER.
SEVERE WEATHER THREAT FOR LATER SATURDAY AFTERNOON AND EVENING LOOKS
IFFY BASED ON THE NEW ETA MODEL. ASSUMING THE AIRMASS RECOVERS FROM THE
MORNING CONVECTION (AND I BELIEVE IT WILL AS THE SUN WILL LIKELY COME
OUT)...STORMS WILL ATTEMPT TO FIRE ALONG THE DRYLINE SATURDAY
AFTERNOON. HOWEVER...MY BIG CONCERN IS THAT THE LOW LEVEL DRY AIR WILL
RUSH INTO THE AREA VERY QUICKLY LATE SATURDAY AFTERNOON AND VAPORIZE
THE STORMS WHICH TRY TO DEVELOP (MUCH AS WHAT HAPPENED JUST 9 DAYS AGO
ON 05/17/95). SO...WE MAY SEE A STORM OR TWO BRIEFLY BECOME SEVERE AND
EVEN TRY TO ROTATE BUT SUSTAINED SUPERCELLS MAY BE HARD TO COME BY
SATURDAY AFTERNOON. PERHAPS SRN MO OR NRN AR WILL HAVE A BETTER CHANCE
WHERE THE MOISTURE WILL REMAIN DEEPEST.
WILL MAKE SOME ADJUSTMENTS TO POPS IN THE FIRST 2 PERIODS. MAY ALSO
RAISE MAX TEMPS SATURDAY IN THE WRN ZONES AS SUNSHINE AND DRY AIR
RUSHING IN LATE IN THE DAY SHOULD CAUSE TEMPS TO SOAR WELL INTO THE
80S. WILL LEAVE THE LATER PERIODS OF THE FCST ALONE FOR NOW.
.TUL...FFA TONIGHT AND EARLY SATURDAY FOR OKZ054>076 AND ARZ001-002-
010-011-019-029 (THE WHOLE FCST AREA EXCEPT MCCURTAIN COUNTY).
PLATEThe office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 27, 4:23 PM CDT | Severe Thunderstorm Warning | TSA | Craig | 37 min |
| May 27, 4:35 PM CDT | Severe Thunderstorm Warning | TSA | Delaware, Ottawa | 40 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; radar from the NEXRAD Level II archive.