Alert archive / Oklahoma / Special Weather Statements in 2020

Special Weather Statement, NWS Norman, OK

May 24, 2020Oklahoma County, Oklahoma

NWS Norman, OK issued this special weather statement at May 24, 2020, 7:37 AM CDT for Oklahoma County, Oklahoma. It was in force for 23 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
May 24, 2020, 7:37 AM CDT (12:37 UTC)
Expired
May 24, 2020, 8:00 AM CDT
In force
23 min
Issued by
NWS Norman, OK

County Oklahoma County, OK

The radar

The Norman radar (KTLX), 43 km from the middle of the area, began a volume at 12:37 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

Fort Worth, TX (KFWD), launched 12:00Z, 0.6 hours before the alert went out and 309 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, Fort Worth, TX at 12:00Z on 2020-05-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1546 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, Fort Worth, TX at 12:00Z on 2020-05-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 122 square meters per square second.193958Sfc1 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
1546 J/kg
Mixed-layer CIN
-48 J/kg
Mixed-layer LCL
735 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
122 m²/s²
0-3 km storm-relative helicity
186 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at May 24, 6:46 AM CDT, 51 minutes earlier.

Area forecast discussion, May 24, 6:46 AM CDT, 51 minutes before
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Hazardous weather outlook, May 24, 4:16 AM CDT, 3 hours 21 minutes before
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In the hours before

Local storm report, May 24, 2:15 AM CDT, 5 hours 22 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OK
215 AM CDT SUN MAY 24 2020

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0204 AM     NON-TSTM WND GST VANCE AIR FORCE BASE    36.34N 97.90W
05/24/2020  M62 MPH          GARFIELD           OK   ASOS

&&

SC
Local storm report, May 24, 2:30 AM CDT, 5 hours 7 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OK
230 AM CDT SUN MAY 24 2020

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0220 AM     NON-TSTM WND GST 1 SSW CHEROKEE          36.74N 98.36W
05/24/2020  M61 MPH          ALFALFA            OK   MESONET

&&

SC
Special weather statement, May 24, 2:47 AM CDT, 4 hours 50 minutes before
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Local storm report, May 24, 2:50 AM CDT, 4 hours 47 minutes before
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Special weather statement, May 24, 3:34 AM CDT, 4 hours 3 minutes before
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Special weather statement, May 24, 7:37 AM CDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
May 23, 7:32 PM CDTSpecial Weather StatementOUNRoger Mills28 min
May 23, 7:59 PM CDTSpecial Weather StatementOUNRoger Mills31 min
May 23, 8:30 PM CDTSpecial Weather StatementOUNRoger Mills30 min
May 23, 9:08 PM CDTSevere Thunderstorm WarningOUNHarmon, Jackson, Tillman52 min
May 23, 9:15 PM CDTSpecial Weather StatementOUNBeckham30 min
May 23, 9:20 PM CDTSevere Thunderstorm WarningOUNTillman40 min
May 23, 9:43 PM CDTSpecial Weather StatementOUNCuster, Greer, Kiowa, Washita32 min
May 23, 9:56 PM CDTSevere Thunderstorm WarningOUNComanche, Greer, Jackson, Kiowa, Tillman, Washita49 min
May 23, 10:00 PM CDTSpecial Weather StatementOUNTillman30 min
May 23, 10:08 PM CDTSevere Thunderstorm WarningOUNComanche, Jackson, Tillman52 min
May 23, 10:11 PM CDTSpecial Weather StatementOUNCuster, Dewey, Washita34 min
May 23, 10:27 PM CDTSpecial Weather StatementOUNTillman33 min
May 23, 10:43 PM CDTSpecial Weather StatementOUNCaddo, Comanche, Kiowa32 min
May 23, 11:03 PM CDTSevere Thunderstorm WarningOUNComanche, Cotton, Kiowa, Tillman42 min
May 23, 11:09 PM CDTSevere Thunderstorm WarningOUNBlaine, Caddo, Canadian, Custer, Kiowa, Washita51 min
May 23, 11:22 PM CDTSevere Thunderstorm WarningOUNCaddo, Canadian, Comanche, Cotton, Grady, Kiowa and 3 more38 min
May 23, 11:57 PM CDTSevere Thunderstorm WarningOUNCaddo, Canadian, Cleveland, Comanche, Garvin, Grady and 3 more48 min
May 24, 12:42 AM CDTSevere Thunderstorm WarningOUNCleveland, Lincoln, McClain, Oklahoma, Pottawatomie48 min
May 24, 1:14 AM CDTSevere Thunderstorm WarningOUNCleveland, Garvin, Johnston, McClain, Murray, Pontotoc and 1 more46 min
May 24, 1:59 AM CDTSpecial Weather StatementOUNJohnston, Marshall, Pontotoc, Pottawatomie, Seminole46 min
May 24, 2:44 AM CDTHigh Wind WarningOUNAlfalfa, Blaine, Custer, Dewey, Garfield, Grant and 5 more95 min
May 24, 2:47 AM CDTSpecial Weather StatementOUNAtoka, Bryan, Coal, Hughes, Seminole43 min
May 24, 3:34 AM CDTSpecial Weather StatementOUNAtoka26 min
May 24, 9:04 AM CDTSpecial Weather StatementOUNNoble41 min
May 24, 9:52 AM CDTSpecial Weather StatementOUNPayne23 min
May 24, 2:29 PM CDTSpecial Weather StatementOUNBryan46 min
May 24, 2:47 PM CDTSpecial Weather StatementOUNMarshall43 min
May 24, 3:36 PM CDTSpecial Weather StatementOUNMarshall24 min
May 24, 3:59 PM CDTSpecial Weather StatementOUNMarshall31 min
May 24, 5:03 PM CDTSpecial Weather StatementOUNLove27 min
May 24, 5:09 PM CDTSpecial Weather StatementOUNAtoka36 min
May 24, 6:51 PM CDTSpecial Weather StatementOUNHughes24 min
May 23, 8:32 PM CDTSpecial Weather StatementOUNFoard, Knox28 min
May 23, 8:46 PM CDTSevere Thunderstorm WarningOUNFoard, Hardeman, Knox44 min
May 24, 6:37 PM CDTSpecial Weather StatementOUNWichita38 min

Nearby

Special Weather Statements in Oklahoma, 2020Every special weather statement in 2020

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.