Alert archive / Alaska / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 2, NWS Fairbanks, AK

June 26, 2016

NWS Fairbanks, AK issued this severe thunderstorm warning at Jun 26, 2016, 4:42 PM AKDT. It was in force for 37 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 26, 2016, 4:42 PM AKDT (00:42 UTC)
Expired: Jun 26, 2016, 5:19 PM AKDT
In force: 37 min
Issued by: NWS Fairbanks, AK
Area: Storm-based polygon

The radar

The Fairbanks Faa radar (PAPD), 30 km from the middle of the area, began a volume at 00:44 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, 0.7 hours before the alert went out and 48 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: 288 J/kg
Mixed-layer CIN: -59 J/kg
Mixed-layer LCL: 1856 m above ground
0-6 km bulk shear: 4 kt
0-1 km storm-relative helicity: -8 m²/s²
0-3 km storm-relative helicity: -4 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

704 
WUAK59 PAFG 270046
SVRAFG
AKZ222-270130-
/O.NEW.PAFG.SV.W.0002.160627T0046Z-160627T0130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE FAIRBANKS AK
442 PM AKDT SUN JUN 26 2016

THE NATIONAL WEATHER SERVICE IN FAIRBANKS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN MIDDLE TANANA VALLEY IN ALASKA...

* UNTIL 530 PM AKDT

* AT 442 PM AKDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
  CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM WAS LOCATED 18
  MILES NORTH OF MOOSE MOUNTAIN SKI AREA. THIS STORM IS
  EXPECTED TO MOVE SLOWLY NORTHEASTWARD.

* LOCATIONS IMPACTED INCLUDE...
  WICKERSHAM DOME.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE LARGE HAIL...DEADLY
LIGHTNING...AND HEAVY RAIN. STRONG WIND GUSTS MAY OCCUR.
HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE
WATER COVERS THE ROAD.

&&

LAT...LON 6530 14775 6516 14778 6517 14809 6530 14811
TIME...MOT...LOC 0042Z 180DEG 0KT 6522 14793 

$$

RF

1 follow-up statement

316 
WWAK59 PAFG 270120
SVSAFG

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE FAIRBANKS AK
519 PM AKDT SUN JUN 26 2016

AKZ222-270129-
/O.CAN.PAFG.SV.W.0002.000000T0000Z-160627T0130Z/
MIDDLE TANANA VALLEY-
519 PM AKDT SUN JUN 26 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN MIDDLE TANANA
VALLEY IS CANCELLED...
    
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS WEAKENED.
THEREFORE THE WARNING HAS BEEN CANCELLED.

LAT...LON 6530 14775 6516 14778 6517 14809 6530 14811
TIME...MOT...LOC 0118Z 180DEG 0KT 6522 14793 

$$

RF

The office that day

Everything else NWS Fairbanks, AK issued on the same UTC day.

Issued	Product	Office	Lasted
Jun 26, 6:24 PM AKDT	Areal Flood Advisory	AFG	12 hr
Jun 26, 6:45 PM AKDT	Areal Flood Advisory	AFG	12 hr
Jun 27, 4:20 AM AKDT	Small Craft Advisory	AFG	48 hr
Jun 27, 2:26 PM AKDT	Small Craft Advisory	AFG	38 hr

Nearby

Severe Thunderstorm Warnings in Alaska, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.