Alert archive / Oklahoma / Special Weather Statements in 2019

Special Weather Statement, NWS Tulsa, OK

April 4, 2019Creek County, Okfuskee County, Oklahoma

NWS Tulsa, OK issued this special weather statement at Apr 4, 2019, 2:08 AM CDT for Creek County, Okfuskee County, Oklahoma. It was in force for 37 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
Apr 4, 2019, 2:08 AM CDT (07:08 UTC)
Expired
Apr 4, 2019, 2:45 AM CDT
In force
37 min
Issued by
NWS Tulsa, OK

Counties Creek County, OK, Okfuskee County, OK

The radar

The Norman radar (KTLX), 77 km from the middle of the area, began a volume at 07:08 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, 7.1 hours before the alert went out and 92 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 2019-04-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Norman, OK at 00:00Z on 2019-04-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 152 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1344 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
152 m²/s²
0-3 km storm-relative helicity
232 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

582 
WWUS84 KTSA 040708
SPSTSA

Special Weather Statement
National Weather Service Tulsa OK
208 AM CDT Thu Apr 4 2019
 
OKZ060-064>066-040745-
Tulsa OK-Okmulgee OK-Okfuskee OK-Creek OK-
208 AM CDT Thu Apr 4 2019

...SIGNIFICANT WEATHER ADVISORY FOR CREEK...NORTHWESTERN OKMULGEE...
WEST CENTRAL TULSA AND OKFUSKEE COUNTIES UNTIL 245 AM CDT...

At 207 AM CDT, strong thunderstorms were located along a line
extending from near Cushing to 5 miles east of Johnson. Movement was
northeast at 55 mph.

Dime to penny size hail and winds in excess of 40 mph will be 
possible with these storms.

Locations in or near the path include...
Bristow...                        Okemah...
Okfuskee...                       Mannford...
Drumright...                      Boley...
Kellyville...                     Oilton...
Depew...                          Paden...
Bearden...                        Slick...
Castle...                         Shamrock...
Clearview...                      Keystone State Park...
Welty...                          Pharoah...
Silver City...                    Milfay...

This includes the following highways,
 Interstate 40 in Oklahoma between mile markers 212 and 230.
 Interstate 44 between mile markers 178 and 206.

LAT...LON 3616 9662 3616 9622 3540 9610 3535 9644
      3546 9644 3546 9647 3543 9650 3546 9654
      3544 9657 3541 9654 3539 9654 3541 9658
      3540 9662
TIME...MOT...LOC 0707Z 243DEG 48KT 3599 9678 3539 9675 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 4, 1:02 AM CDTSpecial Weather StatementTSACreek28 min
Apr 4, 2:53 AM CDTSpecial Weather StatementTSAMcIntosh37 min
Apr 4, 4:48 AM CDTSpecial Weather StatementTSAPushmataha27 min
Apr 4, 6:38 AM CDTSpecial Weather StatementTSAHaskell22 min
Apr 4, 8:36 AM CDTAreal Flood AdvisoryTSACreek, Okmulgee114 min
Apr 4, 8:46 AM CDTSpecial Weather StatementTSAPushmataha29 min
Apr 4, 8:57 AM CDTSpecial Weather StatementTSAOkfuskee33 min
Apr 4, 9:14 AM CDTSpecial Weather StatementTSALeFlore31 min
Apr 4, 10:22 AM CDTSpecial Weather StatementTSASequoyah23 min
Apr 4, 11:10 AM CDTSpecial Weather StatementTSAPittsburg35 min

Nearby

Special Weather Statements in Oklahoma, 2019Every special weather statement in 2019

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.