Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 419, NWS Tulsa, OK

September 19, 2024Osage County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Sep 19, 2024, 5:56 PM CDT for Osage County, Oklahoma. It was in force for 13 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Sep 19, 2024, 5:56 PM CDT (22:56 UTC)
Expired
Sep 19, 2024, 6:09 PM CDT
In force
13 min
Issued by
NWS Tulsa, OK
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Osage County, OK

The radar

The Tulsa radar (KINX), 90 km from the middle of the area, began a volume at 22:56 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Sep 19, 5:29 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 10.9 hours before the alert went out and 181 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 2024-09-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 478 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 2024-09-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 257 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
478 J/kg
Mixed-layer CIN
-244 J/kg
Mixed-layer LCL
1183 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
257 m²/s²
0-3 km storm-relative helicity
323 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.4

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at Sep 19, 2:15 PM CDT, 3 hours 41 minutes earlier.

Area forecast discussion, Sep 19, 2:15 PM CDT, 3 hours 41 minutes before
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Hazardous weather outlook, Sep 19, 4:39 PM CDT, 1 hour 17 minutes before
Hazardous Weather Outlook
National Weather Service Tulsa OK
439 PM CDT Thu Sep 19 2024

ARZ001-002-010-011-019-020-029-OKZ049-053>076-201030-
Adair OK-Benton AR-Carroll AR-Cherokee OK-Choctaw OK-Craig OK-
Crawford AR-Creek OK-Delaware OK-Franklin AR-Haskell OK-Latimer OK-
Le Flore OK-Madison AR-Mayes OK-McIntosh OK-Muskogee OK-Nowata OK-
Okfuskee OK-Okmulgee OK-Osage OK-Ottawa OK-Pawnee OK-Pittsburg OK-
Pushmataha OK-Rogers OK-Sebastian AR-Sequoyah OK-Tulsa OK-Wagoner OK-
Washington OK-Washington AR-
439 PM CDT Thu Sep 19 2024

This Outlook is for Northwest and West Central Arkansas as well as
much of Eastern Oklahoma.

.DAY ONE...This Afternoon and Tonight.

SEVERE THUNDERSTORM.
	RISK...Limited.
	AREA...North of I-44.
	ONSET...Ongoing...ending by around 10 PM.

DANGEROUS HEAT.
	RISK...Limited to Elevated.
	AREA...Northeast Oklahoma.
	ONSET...Ongoing...ending by sunset.

FIRE WEATHER DANGER.
	RISK...Limited.
	AREA...Eastern Oklahoma and Northwest Arkansas.
	ONSET...Ongoing...ending by sunset.

DISCUSSION...
Scattered thunderstorms that have developed over north-central
Oklahoma will move into northeast Oklahoma this afternoon,
affecting areas mainly to the north of I-44. These storms will
pose a limited risk of damaging winds, and possibly some
marginally severe hail as well. This threat will gradually
diminish this evening with the loss of daytime heating.

Heat indices near 105 degrees have been observed across northeast
Oklahoma. Conditions will improve this evening. The hot and windy
conditions, combined with the dry vegetation, will yield an
increased fire weather danger thru the afternoon. A fire could
spread quickly in these conditions.

SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT... Local
Spotter Activation May Be Needed.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.
FRIDAY and SATURDAY...Thunderstorm Potential...Dangerous Heat Potential.
SUNDAY thru WEDNESDAY...Thunderstorm Potential.

EXTENDED DISCUSSION...
Afternoon heat index values in the 100 to 105 degree range will be
common Friday and Saturday afternoons across much of eastern
Oklahoma and west central Arkansas. Thunderstorm chances will
return over the weekend, with the best chances late Sunday and
Sunday night as a cold front moves across the area. Low storm
chances will also prevail Tuesday night and Wednesday of next
week.

weather.gov/tulsa contains additional information.

In the hours before

Special weather statement, Sep 19, 5:24 PM CDT, 32 minutes before
Special Weather Statement
National Weather Service Tulsa OK
524 PM CDT Thu Sep 19 2024

OKZ054-192300-
Osage OK-
524 PM CDT Thu Sep 19 2024

...STRONG THUNDERSTORMS WILL IMPACT NORTH CENTRAL OSAGE COUNTY
THROUGH 600 PM CDT...

At 523 PM CDT, Doppler radar indicated strong thunderstorms along a
line extending from 4 miles northwest of Cedar Vale to 7 miles east
of Newkirk. Movement was east at 40 mph.

HAZARD...Wind gusts of 50 to 55 mph and nickel size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down small tree limbs and blow
         around unsecured objects. Minor hail damage to vegetation
         is possible.

Locations in or near the path include...
Elgin...                          Grainola...
Foraker...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3700 9627 3682 9657 3682 9675 3700 9675
TIME...MOT...LOC 2223Z 258DEG 37KT 3715 9655 3689 9692

MAX HAIL SIZE...0.88 IN
MAX WIND GUST...55 MPH
Special weather statement, Sep 19, 5:35 PM CDT, 21 minutes before
Special Weather Statement
National Weather Service Tulsa OK
535 PM CDT Thu Sep 19 2024

OKZ054-059-192300-
Osage OK-Pawnee OK-
535 PM CDT Thu Sep 19 2024

...STRONG THUNDERSTORMS WILL IMPACT NORTHWESTERN OSAGE AND
NORTHWESTERN PAWNEE COUNTIES THROUGH 600 PM CDT...

At 535 PM CDT, Doppler radar indicated strong thunderstorms along a
line extending from 6 miles north of Kaw Lake to 4 miles east of
Billings. Movement was east at 25 mph.

HAZARD...Wind gusts up to 50 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down small tree limbs and blow
         around unsecured objects.

Locations in or near the path include...
Shidler...                        Burbank...
Sooner Lake...                    Southern Kaw Lake...
Webb City...                      Apperson...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

A Severe Thunderstorm Watch remains in effect until midnight CDT for
northeastern Oklahoma.

&&

LAT...LON 3669 9706 3670 9703 3669 9693 3675 9689
      3674 9683 3677 9682 3678 9675 3682 9675
      3683 9646 3643 9696 3644 9703 3651 9703
      3653 9698 3655 9690 3658 9689 3660 9692
      3658 9698 3659 9705 3660 9704 3668 9706
TIME...MOT...LOC 2235Z 279DEG 21KT 3687 9689 3653 9736

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 19, 5:24 PM CDTSpecial Weather StatementTSAOsage36 min
Sep 19, 5:29 PM CDTSevere Thunderstorm Warning Considerable damage threatTSAOsage31 min
Sep 19, 5:35 PM CDTSpecial Weather StatementTSAOsage25 min
Sep 19, 6:01 PM CDTSpecial Weather StatementTSAOsage29 min
Sep 19, 6:20 PM CDTSevere Thunderstorm WarningTSAOsage, Pawnee40 min
Sep 19, 6:21 PM CDTSpecial Weather StatementTSAOsage24 min
Sep 19, 6:45 PM CDTSpecial Weather StatementTSAWashington30 min
Sep 19, 6:58 PM CDTSevere Thunderstorm Warning Considerable damage threatTSAOsage, Pawnee47 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2024Every severe thunderstorm warning in 2024

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.