Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 41, NWS Tulsa, OK

March 30, 2016Craig County, Nowata County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Mar 30, 2016, 7:42 PM CDT for Craig County, Nowata County, Oklahoma. It was in force for 33 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Mar 30, 2016, 7:42 PM CDT (00:42 UTC)
Expired: Mar 30, 2016, 8:15 PM CDT
In force: 33 min
Issued by: NWS Tulsa, OK
Area: Storm-based polygon
Tornado: Possible
Hail: 1.25 in
Wind: 60.0 mph

Counties Craig County, OK, Nowata County, OK

The radar

The Tulsa radar (KINX), 63 km from the middle of the area, began a volume at 00:41 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.

What was reported inside it

Time	Report	Where	Remark
Mar 30, 7:51 PM CDT	TORNADO	6 Ene Nowata, OK	STORM CHASERS OBSERVED A TORNADO...WHICH WAS ON THE GROUND FOR SEVERAL MINUTES.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

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

Issued	Product	Office	Lasted
Mar 30, 1:50 PM CDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 0.7 hours before the alert went out and 156 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 839 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 319 m²/s²
0-3 km storm-relative helicity: 350 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

064 
WUUS54 KTSA 310042
SVRTSA
OKC035-105-310115-
/O.NEW.KTSA.SV.W.0041.160331T0042Z-160331T0115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
742 PM CDT WED MAR 30 2016

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN NOWATA COUNTY IN NORTHEASTERN OKLAHOMA...
  WEST CENTRAL CRAIG COUNTY IN NORTHEASTERN OKLAHOMA...

* UNTIL 815 PM CDT

* AT 742 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 3 MILES SOUTHEAST
  OF DELAWARE...MOVING EAST AT 30 MPH.

  HAZARD...60 MPH WIND GUSTS AND HALF DOLLAR SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE 
           TO ROOFS...SIDING...AND TREES. 

* LOCATIONS IN OR NEAR THE PATH INCLUDE...
  NOWATA...                         DELAWARE...
  CENTRALIA...                      

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE
OFFICE IN TULSA.

&&

LAT...LON 3664 9566 3680 9568 3692 9540 3671 9530
TIME...MOT...LOC 0042Z 250DEG 24KT 3675 9559 

TORNADO...POSSIBLE
HAIL...1.25IN
WIND...60MPH
 
$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 30, 7:00 PM CDT	Special Weather Statement	TSA	Creek	30 min
Mar 30, 7:05 PM CDT	Severe Thunderstorm Warning	TSA	Nowata, Washington	40 min
Mar 30, 7:16 PM CDT	Tornado Warning	TSA	Nowata, Washington	29 min
Mar 30, 7:29 PM CDT	Tornado Warning Tornado observedConsiderable damage threat	TSA	Rogers, Tulsa	46 min
Mar 30, 7:35 PM CDT	Severe Thunderstorm Warning	TSA	Osage	25 min
Mar 30, 7:51 PM CDT	Tornado Warning	TSA	Craig, Nowata	24 min
Mar 30, 8:08 PM CDT	Tornado Warning Tornado observed	TSA	Mayes, Rogers	52 min
Mar 30, 8:13 PM CDT	Tornado Warning	TSA	Craig	12 min
Mar 30, 8:20 PM CDT	Severe Thunderstorm Warning	TSA	Nowata	25 min
Mar 30, 8:31 PM CDT	Special Weather Statement	TSA	Craig	29 min
Mar 30, 8:41 PM CDT	Severe Thunderstorm Warning	TSA	Craig, Nowata	34 min
Mar 30, 8:56 PM CDT	Tornado Warning	TSA	Delaware, Mayes	34 min
Mar 30, 9:13 PM CDT	Special Weather Statement	TSA	Craig, Nowata	32 min
Mar 30, 9:26 PM CDT	Severe Thunderstorm Warning	TSA	Craig, Nowata	34 min
Mar 30, 9:57 PM CDT	Severe Thunderstorm Warning	TSA	Craig, Ottawa	33 min
Mar 30, 10:10 PM CDT	Severe Thunderstorm Warning	TSA	Ottawa	25 min
Mar 30, 10:37 PM CDT	Special Weather Statement	TSA	Ottawa	38 min
Mar 30, 10:45 PM CDT	Special Weather Statement	TSA	Ottawa	45 min
Mar 31, 1:52 AM CDT	Special Weather Statement	TSA	Delaware	38 min
Mar 31, 6:33 AM CDT	Special Weather Statement	TSA	LeFlore	42 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2016 Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.