Alert archive / Oklahoma / Flash Flood Warnings in 1999

Flash Flood Warning 58, NWS Tulsa, OK

May 22, 1999Tulsa County, Oklahoma

NWS Tulsa, OK issued this flash flood warning at May 22, 1999, 6:01 PM CDT for Tulsa County, Oklahoma. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 22, 1999, 6:01 PM CDT (23:01 UTC)
Expired
May 22, 1999, 9:00 PM CDT
In force
3 hr
Issued by
NWS Tulsa, OK
Area
Whole counties

County Tulsa County, OK

The radar

The Tulsa radar (KINX), 34 km from the middle of the area, began a volume at 23:01 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 12:00Z, 11.0 hours before the alert went out and 166 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 12:00Z on 1999-05-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1999 joules per kilogram.LCLLFCEL10008507005003002001001 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 12:00Z on 1999-05-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 78 square meters per square second.19395878Sfc1 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
1999 J/kg
Mixed-layer CIN
-57 J/kg
Mixed-layer LCL
912 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
78 m²/s²
0-3 km storm-relative helicity
96 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 Tulsa, OK wrote its last area forecast discussion before this flash flood warning went out at May 22, 2:35 PM CDT, 3 hours 26 minutes earlier.

Area forecast discussion, May 22, 2:35 PM CDT, 3 hours 26 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
235 PM CDT SAT MAY 22 1999

NO DISCUSSION WILL BE WRITTEN THIS AFTERNOON DUE TO SEVERE WEATHER.

FCSTID = 11

.TUL...
AR...NONE.
OK...NONE.

In the hours before

Local storm report, May 22, 3:23 PM CDT, 2 hours 38 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
323 PM CDT SAT MAY 22 1999

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

0215 PM    1 W SHIDLER               OK    1 INCH HAIL
05/22/99   OSAGE

0221 PM    DEWEY                     OK    1 INCH HAIL
05/22/99   WASHINGTON

0225 PM    SHIDLER                   OK    2.5 INCH HAIL
05/22/99   OSAGE

0322 PM    WYNONA                    OK    1.75 INCH HAIL
05/22/99   OSAGE
Local storm report, May 22, 3:23 PM CDT, 2 hours 38 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
323 PM CDT SAT MAY 22 1999

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

0215 PM    1 W SHIDLER               OK    1 INCH HAIL
05/22/99   OSAGE

0221 PM    DEWEY                     OK    1 INCH HAIL
05/22/99   WASHINGTON

0225 PM    SHIDLER                   OK    2.5 INCH HAIL
05/22/99   OSAGE

0322 PM    WYNONA                    OK    1.75 INCH HAIL
05/22/99   OSAGE
Local storm report, May 22, 4:19 PM CDT, 1 hour 42 minutes before
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Local storm report, May 22, 4:19 PM CDT, 1 hour 42 minutes before
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Local storm report, May 22, 5:01 PM CDT, 1 hour before
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<head>
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  <title>Service Notice</title>
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</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>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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      <p id="message2">
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Local storm report, May 22, 5:01 PM CDT, 1 hour before
<!doctype html>
<html lang="en">
<head>
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  <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.
      </p>
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The office that day

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

IssuedProductOfficeCountiesLasted
May 22, 1:53 PM CDTSevere Thunderstorm WarningTSAOsage52 min
May 22, 2:06 PM CDTSevere Thunderstorm WarningTSAWashington39 min
May 22, 2:39 PM CDTSevere Thunderstorm WarningTSAOsage66 min
May 22, 3:00 PM CDTTornado WarningTSAOsage30 min
May 22, 3:22 PM CDTSevere Thunderstorm WarningTSACreek38 min
May 22, 3:24 PM CDTSevere Thunderstorm WarningTSACraig, Delaware51 min
May 22, 3:27 PM CDTTornado WarningTSAOsage33 min
May 22, 3:43 PM CDTSevere Thunderstorm WarningTSATulsa47 min
May 22, 3:43 PM CDTSevere Thunderstorm WarningTSAAdair62 min
May 22, 3:51 PM CDTSevere Thunderstorm WarningTSACreek54 min
May 22, 3:54 PM CDTSevere Thunderstorm WarningTSAPawnee51 min
May 22, 3:55 PM CDTSevere Thunderstorm WarningTSAOsage50 min
May 22, 4:25 PM CDTSevere Thunderstorm WarningTSATulsa50 min
May 22, 4:39 PM CDTSevere Thunderstorm WarningTSAAdair66 min
May 22, 4:41 PM CDTSevere Thunderstorm WarningTSAOsage49 min
May 22, 4:47 PM CDTSevere Thunderstorm WarningTSAPawnee43 min
May 22, 5:14 PM CDTSevere Thunderstorm WarningTSATulsa46 min
May 22, 5:20 PM CDTSevere Thunderstorm WarningTSAOsage, Washington40 min
May 22, 5:27 PM CDTSevere Thunderstorm WarningTSAPawnee48 min
May 22, 5:32 PM CDTSevere Thunderstorm WarningTSARogers43 min
May 22, 5:52 PM CDTSevere Thunderstorm WarningTSATulsa53 min
May 22, 5:55 PM CDTSevere Thunderstorm WarningTSAOsage50 min
May 22, 6:04 PM CDTSevere Thunderstorm WarningTSACreek41 min
May 22, 6:15 PM CDTSevere Thunderstorm WarningTSADelaware45 min
May 22, 6:33 PM CDTSevere Thunderstorm WarningTSAOkmulgee42 min
May 22, 6:37 PM CDTSevere Thunderstorm WarningTSACherokee, Mayes53 min
May 22, 6:44 PM CDTSevere Thunderstorm WarningTSACreek, Tulsa46 min
May 22, 5:22 PM CDTSevere Thunderstorm WarningTSAMadison38 min
May 22, 5:57 PM CDTSevere Thunderstorm WarningTSAMadison48 min
May 22, 6:06 PM CDTSevere Thunderstorm WarningTSACrawford54 min
May 22, 6:23 PM CDTSevere Thunderstorm WarningTSAFranklin52 min

Nearby

Flash Flood Warnings in Oklahoma, 1999Every flash flood warning in 1999

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.