Alert archive / Oklahoma / Flash Flood Warnings in 1995

Flash Flood Warning 14, NWS Norman, OK

May 7, 1995Grady County, Stephens County, Oklahoma

NWS Norman, OK issued this flash flood warning at May 7, 1995, 7:17 PM CDT for Grady County, Stephens County, Oklahoma. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued: May 7, 1995, 7:17 PM CDT (00:17 UTC)
Expired: May 7, 1995, 10:15 PM CDT
In force: 3 hr
Issued by: NWS Norman, OK
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Grady County, OK, Stephens County, OK

The radar

The Norman radar (KTLX), 84 km from the middle of the area, began a volume at 00:16 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, 0.3 hours before the alert went out and 67 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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 flash flood 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 flash flood warning went out at May 7, 3:55 PM CDT, 3 hours 22 minutes earlier.

Area forecast discussion, May 7, 3:55 PM CDT, 3 hours 22 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 20 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 27 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 18 minutes before

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Special weather statement, May 7, 6:25 PM CDT, 52 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <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.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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The office that day

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

Issued	Product	Office	Counties	Lasted
May 7, 7:01 PM CDT	Severe Thunderstorm Warning	OUN	Garfield, Grant, Kay, Noble	44 min
May 7, 7:02 PM CDT	Severe Thunderstorm Warning	OUN	Grady, McClain	43 min
May 7, 7:12 PM CDT	Severe Thunderstorm Warning	OUN	Stephens	48 min
May 7, 7:49 PM CDT	Severe Thunderstorm Warning	OUN	Lincoln, Pottawatomie	41 min
May 7, 10:15 PM CDT	Flash Flood Warning	OUN	Carter, Murray	3 hr

Nearby

Flash Flood Warnings in Oklahoma, 1995 Every flash flood 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.