Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 247, NWS Norman, OK

May 7, 19954 counties in Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at May 7, 1995, 7:01 PM CDT for 4 counties in Oklahoma. It was in force for 44 min.

The area

The counties it named.

The facts

Issued
May 7, 1995, 7:01 PM CDT (00:01 UTC)
Expired
May 7, 1995, 7:45 PM CDT
In force
44 min
Issued by
NWS Norman, OK
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Garfield County, OK, Grant County, OK, Kay County, OK, Noble County, OK

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 0.0 hours before the alert went out and 153 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.

Skew-T log-pSkew-T log-p diagram, Norman, OK at 00:00Z on 1995-05-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2076 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Norman, OK at 00:00Z on 1995-05-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 311 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
2076 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
552 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
311 m²/s²
0-3 km storm-relative helicity
365 m²/s²
Significant tornado parameter
3.8
Supercell composite
18.6

Open this sounding in Storm Lab

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.

NWS Norman, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at May 7, 3:55 PM CDT, 3 hours 6 minutes earlier.

Area forecast discussion, May 7, 3:55 PM CDT, 3 hours 6 minutes before
AREA FORECAST DISCUSSION...
NATIONAL WEATHER SERVICE OKLAHOMA CITY OKLAHOMA
345 PM CDT SUN MAY 7 1995

DRYLN PUSHING INTO XTRM WRN OK SHRTLY WITH STRG/SVR TSTMS ALONG IT. A
SECOND AREA OF STRG TSTMS CONT OVER SCNTRL/ECNTRL SXNS. DRYLN XPCTD TO
PUSH INTO ERN ZNS BY MRNG WITH STRG TSTMS CONT ALNG AND AHD OF IT. TSTMS
XPCTD END ERY THIS EVE IN FAR WRN OK. HVY RNS HV FALLEN OVR PTNS OF
CNTRL AND SWRN OK...AND PTNS OF NTX DURG THE DAY. WL XPND FFA A LTL TO
INCLUDE MORE OF SWRN OK AND WRN PTN OF NRN TX. SLOWER MVMNT OF DRYLN
IN ERN OK CUD ALSO LEAD TO HVY RNS THAT AREA... ALTHO THUS FAR LTL
RAIN HAS OCCURRED THERE. PCPN XPCTD TO END IN CNTRL ZNS BY ERY MON MRNG.
WNDS INCRSG BHD DRYLN LTR TNGT AND ON MON AS SFC LOW CONT TO DPN. TEMPS
GENLY A FEW DEG WRMR MOST AREA ON MON AS WITH MORE SUN ESP ACRS WRN AND
CNTRL ZNS.

FCSTID=32
HBR   55  78  55  80 / 50  0   0   10
OKC   58  78  56  78 / 80  20  0   10
SPS   57  81  57  82 / 60  10 @ 0   10
GAG   53  75  52  76 / 40  0   0   10
PNC   57  76  54  75 / 80  20  0   0
DUA   64  77  58  79 / 100 70  20  10

.OKC...FFA TNGT ZNS 18>20..23>32..37>53
.TX...FFA TNGT ZNZ 86..89..90

In the hours before

Local storm report, May 7, 1:57 PM CDT, 5 hours 4 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
155 PM CDT SUN MAY 7 1995

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

150 PM      WICHITA FALLS           TX     REPORT OF 5" OF MEASURED
05/07/95    WICHITA                        RAINFALL BY PUBLIC IN WICHITA
                                           FALLS.
MCCAMMON
Local storm report, May 7, 3:50 PM CDT, 3 hours 11 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
345 PM CDT SUN MAY 7 1995

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

105 PM      8 E ARCHER CITY        TX     BRIEF TORNADO TOUCHDOWN
05/07/95    ARCHER                        8 MILES EAST OF ARCHER CITY...
                                          NO DAMAGE REPORTED.

331 PM      HOLLIS                 OK     NICKEL SIZE 0HAIL AT HOLLIS
05/07/95    HARMON                        REPORTED BY VORTEX.

335 PM      HOLLLIS                OK     60 KT WIND JUST SOUTHEAST OF
05/07/95    HARMON                        HOLLIS REPORTED BY VORTEX.

MCCAMMON
Local storm report, May 7, 5:59 PM CDT, 1 hour 2 minutes before
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Special weather statement, May 7, 6:25 PM CDT, 36 minutes before
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    <section class="card" role="status" aria-live="polite">
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      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
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      <p id="message2">
        Please try again in a few minutes.
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The office that day

Everything else NWS Norman, OK issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 7, 7:02 PM CDTSevere Thunderstorm WarningOUNGrady, McClain43 min
May 7, 7:12 PM CDTSevere Thunderstorm WarningOUNStephens48 min
May 7, 7:17 PM CDTFlash Flood WarningOUNGrady, Stephens3 hr
May 7, 7:49 PM CDTSevere Thunderstorm WarningOUNLincoln, Pottawatomie41 min
May 7, 10:15 PM CDTFlash Flood WarningOUNCarter, Murray3 hr

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.