Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 13, NWS Amarillo, TX
NWS Amarillo, TX issued this severe thunderstorm warning at Apr 13, 2017, 6:08 PM CDT for Beaver County, Oklahoma. It was in force for 22 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 13, 2017, 6:08 PM CDT (23:08 UTC)
- Expired
- Apr 13, 2017, 6:30 PM CDT
- In force
- 22 min
- Issued by
- NWS Amarillo, TX
- Area
- Storm-based polygon
- Hail
- 1.25 in
- Wind
- 50.0 mph
County Beaver County, OK
The radar
The Dodge City radar (KDDC), 124 km from the middle of the area, began a volume at 23:11 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
Dodge City, (KDDC), launched 12:00Z, 11.1 hours before the alert went out and 128 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
- 30 J/kg
- Mixed-layer CIN
- -236 J/kg
- Mixed-layer LCL
- 1401 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- -133 m²/s²
- 0-3 km storm-relative helicity
- -132 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
979
WUUS54 KAMA 132308
SVRAMA
OKC007-132330-
/O.NEW.KAMA.SV.W.0013.170413T2308Z-170413T2330Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Amarillo TX
608 PM CDT THU APR 13 2017
The National Weather Service in Amarillo has issued a
* Severe Thunderstorm Warning for...
West central Beaver County in the Panhandle of Oklahoma...
* Until 630 PM CDT
* At 607 PM CDT, a severe thunderstorm was located 5 miles west of
Beaver, moving east at 10 mph.
HAZARD...Half dollar size hail. Accumulating hail and very heavy
rainfall could produce localized flooding.
SOURCE...Radar indicated.
IMPACT...Damage to vehicles is expected.
* Locations impacted include...
Beaver.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Large hail and continuous cloud to ground lightning is occurring
with this storm. Move indoors immediately. Lightning is one of
nature's leading killers. Remember, if you can hear thunder, you are
close enough to be struck by lightning.
&&
LAT...LON 3678 10075 3689 10068 3682 10045 3665 10056
TIME...MOT...LOC 2307Z 284DEG 10KT 3679 10061
HAIL...1.25IN
WIND...<50MPH
$$
DGW1 follow-up statement
000
WWUS54 KAMA 132330
SVSAMA
Severe Weather Statement
National Weather Service Amarillo TX
630 PM CDT THU APR 13 2017
OKC007-132339-
/O.EXP.KAMA.SV.W.0013.000000T0000Z-170413T2330Z/
Beaver OK-
630 PM CDT THU APR 13 2017
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL BEAVER COUNTY WILL
EXPIRE AT 630 PM CDT...
The severe thunderstorm which prompted the warning has weakened
therefore the warning will be allowed to expire and will be replaced
with a special weather statement.
LAT...LON 3678 10075 3689 10068 3682 10045 3665 10056
TIME...MOT...LOC 2329Z 284DEG 10KT 3678 10057
$$
DGWThe office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 13, 5:05 PM CDT | Special Weather Statement | AMA | Beaver | 40 min |
| Apr 13, 5:44 PM CDT | Special Weather Statement | AMA | Beaver | 46 min |
| Apr 13, 6:33 PM CDT | Special Weather Statement | AMA | Beaver | 27 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 2017Every severe thunderstorm warning in 2017
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.