Alert archive / Alaska / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 13, NWS Fairbanks, AK
NWS Fairbanks, AK issued this severe thunderstorm warning at Jul 13, 2017, 9:25 PM AKDT. It was in force for 35 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
- Jul 13, 2017, 9:25 PM AKDT (05:25 UTC)
- Expired
- Jul 13, 2017, 10:00 PM AKDT
- In force
- 35 min
- Issued by
- NWS Fairbanks, AK
- Area
- Storm-based polygon
The radar
The Fairbanks Faa radar (PAPD), 108 km from the middle of the area, began a volume at 05:28 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
Fairbanks, (PFAI), launched 00:00Z, 5.4 hours before the alert went out and 102 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
- 13 J/kg
- Mixed-layer CIN
- -111 J/kg
- Mixed-layer LCL
- 1426 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 6 m²/s²
- 0-3 km storm-relative helicity
- 28 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
988 WUAK59 PAFG 140526 SVRAFG AKZ223-140600- /O.NEW.PAFG.SV.W.0013.170714T0526Z-170714T0600Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Fairbanks AK 925 PM AKDT Thu Jul 13 2017 The National Weather Service in Fairbanks has issued a * Severe Thunderstorm Warning for... North central Deltana and Tanana Flats in Alaska... * Until 1000 PM AKDT * At 925 PM AKDT, Doppler radar indicated a severe thunderstorm capable of producing quarter size hail. This storm was located 9 miles northwest of Quartz Lake or Delta Junction. This storm was also near mile post 292 of the Richardson Highway. PRECAUTIONARY/PREPAREDNESS ACTIONS... Severe thunderstorms produce damaging winds, destructive hail, deadly lightning and very heavy rain. For your protection, move to an interior room on the lowest floor of your home or business. Heavy rains flood roads quickly so do not drive into areas where water covers the road. && LAT...LON 6429 14585 6420 14597 6428 14641 6437 14621 TIME...MOT...LOC 0525Z 132DEG 0KT 6430 14605 $$ JK
1 follow-up statement
292
WWAK59 PAFG 140554
SVSAFG
Severe Weather Statement
National Weather Service Fairbanks AK
954 PM AKDT Thu Jul 13 2017
AKZ223-140604-
/O.EXP.PAFG.SV.W.0013.000000T0000Z-170714T0600Z/
Deltana and Tanana Flats-
954 PM AKDT Thu Jul 13 2017
...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL DELTANA AND
TANANA FLATS WILL EXPIRE AT 1000 PM AKDT...
The storm which prompted the warning has moved out of the area.
Therefore the warning will be allowed to expire.
LAT...LON 6429 14585 6420 14597 6428 14641 6437 14621
TIME...MOT...LOC 0554Z 132DEG 0KT 6430 14605
$$
JKThe office that day
Everything else NWS Fairbanks, AK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 13, 7:40 PM AKDT | Severe Thunderstorm Warning | AFG | 50 min | |
| Jul 13, 9:12 PM AKDT | Severe Thunderstorm Warning | AFG | 33 min |
Nearby
Severe Thunderstorm Warnings in Alaska, 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.