Alaska, 2007

Hail in Alaska, June 21, 2007

June 21, 2007 · NWS AFC · 2 events in 2 counties and zones

Severe thunderstorms developed on the interior Kenai Peninsula. Spotter reports were of hail 1/2 to 3/4 inch and heavy rain with these Thunderstorms.

Where it happened

Every event with a place to put it. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

Open the live radar over this ground

The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
2

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS AFC wrote it up.

Severe thunderstorms developed on the interior Kenai Peninsula. Spotter reports were of hail 1/2 to 3/4 inch and heavy rain with these Thunderstorms.

What forecasters said that day

The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Anchorage, AK wrote its last area forecast discussion before the first event at Jun 21, 7:40 AM AKST, 10 hours earlier.

Area forecast discussion, Jun 21, 7:40 AM AKST, 10 hours before
AREA FORECAST DISCUSSION
SOUTHCENTRAL AND SOUTHWEST ALASKA
140 PM ADT THU JUN 21 2007

.ANALYSIS AND UPPER LEVELS...
THIS AFTERNOON...A HUGE RIDGE OF HIGH PRESSURE OVER NORTH PACIFIC
EXTENDS NORTH INTO THE EASTERN ALEUTIANS. OVER SOUTHCENTRAL...THERE
IS A WEAKER NORTH SOUTH ORIENTED UPPER LEVEL HIGH WITH A WEAK BUT
IMPORTANT SURFACE TROUGH UNDERLYING IT. A COLD UPPER LEVEL LOW WITH
A WEAK SURFACE LOW UNDERNEATH IS PRESENT AROUND THE YUKON DELTA.
ANOTHER LOW IS PRESENT OVER THE FAR SOUTHWEST BERING.

.MODEL DISCUSSION...
GOOD MODEL AGREEMENT EXISTS.

.SHORT TERM FORECAST...
SOUTHCENTRAL...
MOST IMMEDIATE CONCERN IS FOR THUNDERSTORMS THROUGH THIS (THURSDAY)
EVENING AND THEIR INFLUENCE ON EXISTING FIRES AND ON ANY NEW FIRES.
MAIN FOCUS OF STORMS THROUGH THIS EVENING WILL BE FROM INLAND KENAI
PENINSULA NORTHEAST TO THE CHUGACH AND NORTH TO THE TALKEETNA
MOUNTAINS AND NORTH/WEST PART OF THE COPPER RIVER BASIN. POTENTIAL
FOR THUNDERSTORMS LOOKS ABOUT AS GOOD AS IT EVER GETS AROUND HERE.
ACTIVITY ALREADY GETTING GOING AS OF THIS WRITING. EXPECT
CONVECTION TO BY FAR BE AT ITS MAX LATE THIS AFTERNOON AND THIS
EVENING COMPARED TO UPCOMING DAYS. THE UPPER LEVEL TROUGH NEAR THE
YUKON DELTA WILL APPROACH THE AREA FROM THE WEST TONIGHT...WITH
STRONGER...WETTER...AND COOLER ONSHORE FLOW BEGINNING. THE MARINE
STRATUS WHICH IS CURRENTLY PRESENT OVER THE NORTHERN GULF AND
PRINCE WILLIAM SOUND IS LIKELY TO PERSIST. MOISTURE WILL GRADUALLY
INCREASE INTO THE WEEKEND WITH PRECIPITATION BEING MORE STRATIFORM
IN NATURE RATHER THAN CONVECTIVE.

SOUTHWEST MAINLAND...
THE SOUTHWEST MAINLAND IS IN FOR WET AND COOL WEATHER TO CONTINUE
INTO THE WEEKEND. LOW NEAR THE YUKON DELTA WILL CONTINUE TO BRING
RAIN TO THE BETHEL AREA. RAIN WILL SPREAD EAST INTO THE REST OF THE
SOUTHWEST MAINLAND THURSDAY AS A LOW MOVING EAST ACROSS THE BERING
TONIGHT MERGES WITH THE ALREADY PRESENT LOW AROUND THE YUKON DELTA.
A COLD UPPER LEVEL LOW WILL PERSIST OVER THE SOUTHWEST MAINLAND
INTO THE WEEKEND...KEEPING THE RAIN AROUND.

ALEUTIANS/BERING...
A LOW WITH FAIRLY WEAK WINDS BUT COPIOUS RAIN WILL MOVE EAST ACROSS
THE BERING TONIGHT AND INTO BRISTOL BAY BY FRIDAY NIGHT. THIS WILL
BRING RAIN TO PRETTY MUCH EVERYWHERE SOUTH OF SAINT MATTHEW
TONIGHT. RAIN WILL GRADUALLY TAPER OFF FROM WEST TO EAST FRIDAY AS
HIGH PRESSURE BUILDS INTO THE REGION. SOMEWHAT MOIST NORTHERLY FLOW
WILL CONTINUE OVER THE EASTERN BERING/ALEUTIANS THROUGH THE WEEKEND
AS A RESULT OF THE UPPER LEVEL LOW OVER THE SOUTHWEST MAINLAND.
RAIN WILL MOVE BACK INTO THE WESTERN ALEUTIANS ON SUNDAY WITH HIGH
PRESSURE SQUEEZED IN BETWEEN THESE TWO AREAS.

.LONG TERM FORECAST...
NOT MUCH CONFIDENCE IN ANYTHING BEYOND THIS WEEKEND. IN
GENERAL...IT LOOKS LIKE THE COLD UPPER LEVEL LOW OVER SOUTHWEST
ALASKA WILL GRADUALLY WEAKEN. WEAK HIGH PRESSURE WILL PROBABLY BE
OVER THE EASTERN BERING...WITH UNSETTLED WEATHER AND LOW PRESSURE
OVER THE CENTRAL TO WESTERN BERING/ALEUTIANS.

.AER/ALU...WATCH/WARNING SUMMARY
PUBLIC...NONE.
MARINE...NONE.
FIRE WEATHER...RED FLAG WARNING 141.

FOISY JUN 07

In the hours before

Local storm report, Jun 21, 11:40 AM AKST, 6 hours before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ANCHORAGE AK
540 PM ADT THU JUN 21 2007

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0538 PM     HAIL             MOOSE PASS              60.47N 149.39W
06/21/2007  E0.75 INCH                          AK   TRAINED SPOTTER

            A TRAINED SPOTTER REPORTED PENNY-SIZED HAIL NEAR MOOSE
            PASS. HAIL LASTED APPROXIMATELY 10 MINUTES.

&&

DANG
Local storm report, Jun 21, 12:06 PM AKST, 5 hours 34 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ANCHORAGE AK
606 PM ADT THU JUN 21 2007

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0538 PM     HAIL             MOOSE PASS              60.47N 149.39W
06/21/2007  E0.75 INCH                          AK   PUBLIC

            GENERAL PUBLIC ESTIMATE UP TO 1/2 INCH OF RAIN AND 3/4
            INCH HAIL AT MOOSE PASS. RAINING MORE THAN HALF
            HOUR...HARD AT TIMES...CREATING PUDDLES ON ROADS.

&&

DANG

The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

2 hail. Local standard time, as filed.

Hail, Kenai Peninsula

When
June 21, 5:40 PM AKST to 6:00 PM AKST
Where
Kenai Peninsula County, 40 mi E of Soldotna to 37 mi E of Soldotna
Measured
0.75 in hail
Reported by
Trained Spotter
Coordinates
60.480, -149.876

Hail, Wrn P.W. Snd & Kenai Mtns

When
June 21, 5:44 PM AKST to 6:00 PM AKST
Where
Wrn P.W. Snd & Kenai Mtns County, Moose Pass to 3 mi S of Moose Pass
Measured
0.75 in hail
Reported by
Trained Spotter
Coordinates
60.480, -149.370

What these are

Hail
Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Alaska in 2007Every state in 2007This day in weather historyWarnings in Alaska, June 2007

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 31907, 31908.