Alert archive / Oklahoma / Special Weather Statements in 2016
Special Weather Statement, NWS Tulsa, OK
NWS Tulsa, OK issued this special weather statement at Apr 20, 2016, 1:21 AM CDT for Cherokee County, Muskogee County, Sequoyah County, Oklahoma. It was in force for 39 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 20, 2016, 1:21 AM CDT (06:21 UTC)
- Expired
- Apr 20, 2016, 2:00 AM CDT
- In force
- 39 min
- Issued by
- NWS Tulsa, OK
Counties Cherokee County, OK, Muskogee County, OK, Sequoyah County, OK
The radar
The Western Arkansas radar (KSRX), 76 km from the middle of the area, began a volume at 06:21 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
Springfield, MO (KSGF), launched 00:00Z, 6.4 hours before the alert went out and 200 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.
- Mixed-layer CAPE
- 46 J/kg
- Mixed-layer CIN
- -57 J/kg
- Mixed-layer LCL
- 824 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- -18 m²/s²
- 0-3 km storm-relative helicity
- 59 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
219
WWUS84 KTSA 200621
SPSTSA
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
121 AM CDT WED APR 20 2016
OKZ067>072-074-200700-
ADAIR OK-MUSKOGEE OK-MCINTOSH OK-HASKELL OK-WAGONER OK-CHEROKEE OK-
SEQUOYAH OK-
121 AM CDT WED APR 20 2016
...SIGNIFICANT WEATHER ADVISORY FOR WESTERN SEQUOYAH...NORTHEASTERN
MCINTOSH...SOUTHERN CHEROKEE...SOUTHEASTERN WAGONER...EASTERN
MUSKOGEE...SOUTHWESTERN ADAIR AND CENTRAL HASKELL COUNTIES UNTIL 200
AM CDT...
AT 121 AM CDT...STRONG THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 6 MILES NORTH OF PUMPKIN CENTER TO 2 MILES EAST OF
GORE TO 4 MILES EAST OF PORUM. MOVEMENT WAS EAST AT 25 MPH.
WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH THESE STORMS.
LOCATIONS IN OR NEAR THE PATH INCLUDE...
MUSKOGEE... TAHLEQUAH...
SALLISAW... STIGLER...
FORT GIBSON... WARNER...
VIAN... GORE...
PORUM... OKAY...
WEBBERS FALLS... KEOTA...
WHITEFIELD... MARBLE CITY...
BRAGGS... TAMAHA...
BUNCH... SEQUOYAH STATE PARK...
BRUSHY... BRUSHY LAKE STATE PARK...
THIS INCLUDES INTERSTATE 40 IN OKLAHOMA BETWEEN MILE MARKERS 270 AND
309.
LAT...LON 3552 9471 3521 9488 3528 9545 3530 9545
3529 9547 3530 9548 3557 9539 3588 9538
3594 9477
TIME...MOT...LOC 0621Z 272DEG 20KT 3581 9512 3554 9508 3536 9518
$$The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 19, 11:39 PM CDT | Special Weather Statement | TSA | Tulsa | 51 min |
| Apr 20, 2:18 AM CDT | Special Weather Statement | TSA | Choctaw, Pushmataha | 42 min |
Nearby
Special Weather Statements in Oklahoma, 2016Every special weather statement in 2016
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.