Alert archive / Alaska / Severe Thunderstorm Warnings in 2018
Severe Thunderstorm Warning 2, NWS Anchorage, AK
NWS Anchorage, AK issued this severe thunderstorm warning at Jun 5, 2018, 11:18 PM AKDT. It was in force for 27 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
- Jun 5, 2018, 11:18 PM AKDT (07:18 UTC)
- Expired
- Jun 5, 2018, 11:45 PM AKDT
- In force
- 27 min
- Issued by
- NWS Anchorage, AK
- Area
- Storm-based polygon
The radar
The Bethel radar (PABC), 71 km from the middle of the area, began a volume at 07:17 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
Bethel, (PBET), launched 00:00Z, 7.3 hours before the alert went out and 71 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1257 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 59 m²/s²
- 0-3 km storm-relative helicity
- 142 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
529
WUAK58 PAFC 060718
SVRAFC
AKZ155-060745-
/O.NEW.PAFC.SV.W.0002.180606T0718Z-180606T0745Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Anchorage AK
1118 PM AKDT Tue Jun 5 2018
The National Weather Service in Anchorage has issued a
* Severe Thunderstorm Warning for...
East central Kuskokwim Delta in Alaska...
* Until 1145 PM AKDT
* At 1118 PM AKDT, Doppler radar indicated a line of severe
thunderstorms capable of producing quarter size hail and damaging
winds in excess of 60 mph. These storms were located along a line
extending from 43 miles south of Napaskiak to 20 miles east of
Tuntutuliak, and moving southwest at 25 mph.
* Locations impacted include...
Eek and Apokak.
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 6035 16200 6009 16163 5988 16193 6008 16225
6018 16222 6012 16231 6017 16240 6020 16231
6023 16235
TIME...MOT...LOC 0718Z 035DEG 21KT 6008 16170 6031 16208
$$1 follow-up statement
602 WWAK58 PAFC 060733 SVSAFC Severe Weather Statement National Weather Service Anchorage AK 1132 PM AKDT Tue Jun 5 2018 AKZ155-060745- /O.CON.PAFC.SV.W.0002.000000T0000Z-180606T0745Z/ Kuskokwim Delta- 1132 PM AKDT Tue Jun 5 2018 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1145 PM AKDT FOR SOUTHEASTERN KUSKOKWIM DELTA... At 1132 PM AKDT, Doppler radar indicated severe thunderstorms capable of producing quarter size hail and damaging winds in excess of 60 mph. These storms were located along a line extending from 47 miles east of Kwigillingnok to 18 miles east of Tuntutuliak, moving southwest at 25 mph. These severe thunderstorms will remain over mainly rural areas of southeastern Kuskokwim Delta. PRECAUTIONARY/PREPAREDNESS ACTIONS... Severe thunderstorms produce damaging winds, destructive hail, deadly lightning and very heavy rain. For your protection move to an interior room on the lowest floor of your home or business. Heavy rains flood roads quickly so do not drive into areas where water covers the road. && LAT...LON 6021 16193 6004 16173 5990 16194 6008 16224 TIME...MOT...LOC 0732Z 035DEG 21KT 6002 16179 6025 16217 $$
The office that day
Everything else NWS Anchorage, AK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 5, 10:48 PM AKDT | Severe Thunderstorm Warning | AFC | 27 min | |
| Jun 6, 3:52 AM AKDT | Small Craft Advisory | AFC | 48 hr | |
| Jun 6, 3:41 PM AKDT | Small Craft Advisory | AFC | 36 hr | |
| Jun 6, 3:51 PM AKDT | Severe Thunderstorm Warning | AFC | 39 min | |
| Jun 6, 3:56 PM AKDT | Small Craft Advisory | AFC | 7 days |
Nearby
Severe Thunderstorm Warnings in Alaska, 2018Every severe thunderstorm warning in 2018
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.