Alert archive / Oklahoma / Special Weather Statements in 2020

Special Weather Statement, NWS Tulsa, OK

July 30, 2020Pawnee County, Oklahoma

NWS Tulsa, OK issued this special weather statement at Jul 30, 2020, 5:24 AM CDT for Pawnee County, Oklahoma. It was in force for 51 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: Jul 30, 2020, 5:24 AM CDT (10:24 UTC)
Expired: Jul 30, 2020, 6:15 AM CDT
In force: 51 min
Issued by: NWS Tulsa, OK

County Pawnee County, OK

The radar

The Tulsa radar (KINX), 119 km from the middle of the area, began a volume at 10:27 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, 10.4 hours before the alert went out and 142 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: 1768 J/kg
Mixed-layer CIN: -27 J/kg
Mixed-layer LCL: 1314 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 195 m²/s²
0-3 km storm-relative helicity: 202 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 8.4

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 Tulsa, OK wrote its last area forecast discussion before this special weather statement went out at Jul 30, 4:02 AM CDT, 1 hour 22 minutes earlier.

Area forecast discussion, Jul 30, 4:02 AM CDT, 1 hour 22 minutes before

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Hazardous weather outlook, Jul 30, 5:04 AM CDT, 20 minutes before

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In the hours before

Special weather statement, Jul 30, 1:10 AM CDT, 4 hours 14 minutes before

Special Weather Statement
National Weather Service Tulsa OK
110 AM CDT Thu Jul 30 2020

OKZ059-060-064-300715-
Tulsa OK-Pawnee OK-Creek OK-
110 AM CDT Thu Jul 30 2020

...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN CREEK...SOUTH CENTRAL
PAWNEE AND WEST CENTRAL TULSA COUNTIES UNTIL 215 AM CDT...

At 109 AM CDT, a strong thunderstorm was located 3 miles northwest of
Oilton, moving east at 35 mph.

Wind gusts up to 50 mph will be possible with this storm.

Locations in or near the path include...
Sand Springs...                   Sapulpa...
Mannford...                       Kiefer...
Kellyville...                     Oilton...
Jennings...                       Keystone State Park...
Silver City...                    Gray...

This includes Interstate 44 between mile markers 202 and 217.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 3621 9672 3613 9604 3591 9604 3601 9662
      3616 9662 3616 9672
TIME...MOT...LOC 0609Z 271DEG 29KT 3613 9663

Special weather statement, Jul 30, 2:11 AM CDT, 3 hours 13 minutes before

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Special weather statement, Jul 30, 2:22 AM CDT, 3 hours 2 minutes before

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Special weather statement, Jul 30, 2:40 AM CDT, 2 hours 44 minutes before

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Special weather statement, Jul 30, 3:48 AM CDT, 1 hour 36 minutes before

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Special weather statement, Jul 30, 5:24 AM CDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 29, 8:38 PM CDT	Special Weather Statement	TSA	Muskogee	37 min
Jul 29, 9:02 PM CDT	Special Weather Statement	TSA	Sequoyah	28 min
Jul 29, 9:27 PM CDT	Special Weather Statement	TSA	Adair	33 min
Jul 29, 10:21 PM CDT	Areal Flood Advisory	TSA	Adair, Cherokee, Sequoyah	3 hr
Jul 29, 10:41 PM CDT	Special Weather Statement	TSA	Washington	49 min
Jul 29, 11:10 PM CDT	Special Weather Statement	TSA	Craig, Nowata, Washington	35 min
Jul 29, 11:35 PM CDT	Special Weather Statement	TSA	Rogers, Washington	55 min
Jul 30, 12:00 AM CDT	Special Weather Statement	TSA	Osage, Pawnee	60 min
Jul 30, 12:18 AM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee	42 min
Jul 30, 12:33 AM CDT	Flash Flood Warning	TSA	Craig, Mayes, Nowata, Rogers, Tulsa, Washington	3 hr
Jul 30, 12:51 AM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee, Tulsa, Washington	39 min
Jul 30, 12:57 AM CDT	Special Weather Statement	TSA	Delaware	48 min
Jul 30, 1:10 AM CDT	Special Weather Statement	TSA	Creek	65 min
Jul 30, 1:16 AM CDT	Flash Flood Warning	TSA	Delaware, Mayes	3 hr
Jul 30, 1:27 AM CDT	Severe Thunderstorm Warning	TSA	Mayes, Osage, Rogers, Tulsa, Wagoner, Washington	63 min
Jul 30, 1:52 AM CDT	Areal Flood Advisory	TSA	Rogers, Tulsa, Wagoner	3 hr
Jul 30, 2:11 AM CDT	Special Weather Statement	TSA	Wagoner	49 min
Jul 30, 2:22 AM CDT	Special Weather Statement	TSA	Adair, Cherokee, Delaware, Mayes	53 min
Jul 30, 2:40 AM CDT	Special Weather Statement	TSA	Muskogee	65 min
Jul 30, 3:48 AM CDT	Special Weather Statement	TSA	Sequoyah	57 min
Jul 30, 6:14 AM CDT	Special Weather Statement	TSA	Creek, Okfuskee	61 min
Jul 30, 6:40 AM CDT	Areal Flood Advisory	TSA	Craig, Delaware, Mayes, Rogers	2 hr
Jul 30, 7:38 AM CDT	Areal Flood Advisory	TSA	McIntosh, Muskogee, Okmulgee	112 min
Jul 30, 5:04 PM CDT	Special Weather Statement	TSA	McIntosh	26 min
Jul 30, 5:06 PM CDT	Special Weather Statement	TSA	Pittsburg	24 min
Jul 30, 5:29 PM CDT	Severe Thunderstorm Warning	TSA	Pittsburg	34 min
Jul 30, 6:05 PM CDT	Special Weather Statement	TSA	Pittsburg	25 min
Jul 30, 6:18 PM CDT	Severe Thunderstorm Warning	TSA	Pittsburg	28 min
Jul 30, 6:22 PM CDT	Severe Thunderstorm Warning	TSA	Pittsburg	53 min
Jul 30, 6:32 PM CDT	Special Weather Statement	TSA	Pittsburg	28 min
Jul 30, 6:47 PM CDT	Areal Flood Advisory	TSA	Pittsburg	3 hr
Jul 30, 6:56 PM CDT	Severe Thunderstorm Warning	TSA	Latimer, Pittsburg	49 min
Jul 29, 10:52 PM CDT	Areal Flood Advisory	TSA	Crawford, Franklin	3 hr
Jul 30, 3:19 PM CDT	Special Weather Statement	TSA	Polk	26 min

Nearby

Special Weather Statements in Oklahoma, 2020 Every 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.