Alert archive / Hawaii / Blizzard Warnings in 2015

Blizzard Warning 2, NWS Honolulu, HI

March 10, 2015Hawaii County, Hawaii

NWS Honolulu, HI issued this blizzard warning at Mar 10, 2015, 3:40 PM HST for Hawaii County, Hawaii. It was in force for 48 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Mar 10, 2015, 3:40 PM HST (01:40 UTC)
Expired
Mar 12, 2015, 3:40 PM HST
In force
48 hr
Issued by
NWS Honolulu, HI

County Hawaii County, HI

The radar

The South Shore radar (PHWA), 57 km from the middle of the area, began a volume at 01:42 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

Hilo, (PITO), launched 00:00Z, 1.7 hours before the alert went out and 56 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-pSkew-T log-p diagram, Hilo, at 00:00Z on 2015-03-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Hilo, at 00:00Z on 2015-03-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 40 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1003 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
40 m²/s²
0-3 km storm-relative helicity
120 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

595 
WWHW40 PHFO 110140
WSWHFO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE HONOLULU HI
340 PM HST TUE MAR 10 2015

...BLIZZARD WARNING FOR THE BIG ISLAND SUMMITS ABOVE 11500 FEET
THROUGH THURSDAY...

.SNOW...ICE AND FREEZING FOG ARE POSSIBLE AT THE SUMMITS COUPLED
WITH VERY STRONG WINDS. THESE BLIZZARD CONDITIONS ARE EXPECTED TO
PERSIST THROUGH THURSDAY.

HIZ028-111400-
/O.UPG.PHFO.WS.A.0001.150311T0400Z-150313T0400Z/
/O.NEW.PHFO.BZ.W.0002.150311T0140Z-150313T0400Z/
BIG ISLAND SUMMITS-
340 PM HST TUE MAR 10 2015

...BLIZZARD WARNING IN EFFECT UNTIL 6 PM HST THURSDAY...

THE NATIONAL WEATHER SERVICE IN HONOLULU HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT UNTIL 6 PM HST THURSDAY. THE WINTER
STORM WATCH IS NO LONGER IN EFFECT. 

* LOCATIONS...BIG ISLAND SUMMITS ABOVE 11500 FEET. 

* HAZARD TYPES...SNOW...ICE ACCUMULATION AND FREEZING FOG.

* ACCUMULATIONS....TOTAL ACCUMULATIONS OF 5 TO 8 INCHES.

* TIMING...THROUGH THURSDAY.

* IMPACTS...TRAVEL TO THE SUMMITS...EITHER ON FOOT OR BY
  VEHICLE...WILL BE DANGEROUS.

* WINDS...WEST 45 TO 65 MPH WITH LOCALIZED GUSTS OVER 80 MPH.

* TEMPERATURES...IN THE MID 20S.

* VISIBILITIES...UNDER A HALF MILE IN FREEZING FOG.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST TRAVEL...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE.

&&

$$
4 follow-up statements
136 
WWHW40 PHFO 111326
WSWHFO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE HONOLULU HI
326 AM HST WED MAR 11 2015

...BLIZZARD WARNING FOR THE BIG ISLAND SUMMITS ABOVE 11500 FEET
THROUGH THURSDAY...

.SNOW...ICE AND FREEZING FOG ARE POSSIBLE WITH VERY STRONG WINDS
AT THE SUMMITS...CREATING BLIZZARD CONDITIONS. THE CONDITIONS ARE
EXPECTED TO PERSIST THROUGH THURSDAY.

HIZ028-120130-
/O.CON.PHFO.BZ.W.0002.000000T0000Z-150313T0400Z/
BIG ISLAND SUMMITS-
326 AM HST WED MAR 11 2015

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 PM HST THURSDAY...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 PM HST THURSDAY. 

* LOCATIONS...BIG ISLAND SUMMITS ABOVE 11500 FEET.

* HAZARD TYPES...SNOW...ICE ACCUMULATION AND FREEZING FOG.

* ACCUMULATIONS....TOTAL ACCUMULATIONS OF 5 TO 8 INCHES.

* TIMING...THROUGH THURSDAY.

* IMPACTS...TRAVEL TO THE SUMMITS...EITHER ON FOOT OR BY 
  VEHICLE...WILL BE DANGEROUS. 

* WINDS...WEST 45 TO 65 MPH WITH LOCALIZED GUSTS OVER 85 MPH.

* TEMPERATURES...IN THE MID 20S.

* VISIBILITIES...QUARTER OF A MILE OR LESS IN FREEZING FOG.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST TRAVEL...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE.

&&

$$
000 
WWHW40 PHFO 120153
WSWHFO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE HONOLULU HI
353 PM HST WED MAR 11 2015

...BLIZZARD WARNING FOR THE BIG ISLAND SUMMITS ABOVE 11000 FEET
THROUGH THURSDAY...

.BLIZZARD CONDITIONS WITH VERY STRONG WINDS AND SNOW...BLOWING
SNOW...AND FREEZING FOG CREATING WHITEOUT CONDITIONS WILL
CONTINUE AT THE SUMMITS. THESE CONDITIONS ARE EXPECTED TO CONTINUE
INTO THURSDAY.

HIZ028-121400-
/O.CON.PHFO.BZ.W.0002.000000T0000Z-150313T0400Z/
BIG ISLAND SUMMITS-
353 PM HST WED MAR 11 2015

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 PM HST THURSDAY...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 PM HST THURSDAY. 

* LOCATIONS...BIG ISLAND SUMMITS ABOVE 11000 FEET.

* HAZARD TYPES...SNOW...BLOWING SNOW...AND FREEZING FOG.

* ACCUMULATIONS....ADDITIONAL ACCUMULATIONS OF 3 TO 5 INCHES. 

* TIMING...THROUGH THURSDAY.

* IMPACTS...TRAVEL TO THE SUMMITS...EITHER ON FOOT OR BY 
  VEHICLE...WILL BE DANGEROUS. 

* WINDS...WEST 45 TO 65 MPH WITH LOCALIZED GUSTS OVER 85 MPH.

* TEMPERATURES...IN THE MID 20S.

* VISIBILITIES...QUARTER OF A MILE OR LESS IN SNOW...BLOWING
  SNOW...AND FREEZING FOG.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST TRAVEL...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE.

&&

$$
103 
WWHW40 PHFO 121346
WSWHFO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE HONOLULU HI
346 AM HST THU MAR 12 2015

...BLIZZARD WARNING FOR THE BIG ISLAND SUMMITS ABOVE 11000 FEET
THROUGH TODAY...

.BLIZZARD CONDITIONS WITH VERY STRONG WINDS AND SNOW...BLOWING
SNOW...AND FREEZING FOG CREATING WHITEOUT CONDITIONS WILL
CONTINUE AT THE SUMMITS. THESE CONDITIONS ARE EXPECTED TO
CONTINUE THROUGH TODAY.

HIZ028-130200-
/O.CON.PHFO.BZ.W.0002.000000T0000Z-150313T0400Z/
BIG ISLAND SUMMITS-
346 AM HST THU MAR 12 2015

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 PM HST THIS
EVENING...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 PM HST THIS EVENING.

* LOCATIONS...BIG ISLAND SUMMITS ABOVE 11000 FEET.

* HAZARD TYPES...SNOW...BLOWING SNOW...AND FREEZING FOG.

* ACCUMULATIONS...ADDITIONAL ACCUMULATIONS OF 2 TO 4 INCHES.

* TIMING...THROUGH TODAY.

* IMPACTS...TRAVEL TO THE SUMMITS...EITHER ON FOOT OR BY 
  VEHICLE...WILL BE DANGEROUS. 

* WINDS...WEST 45 TO 65 MPH WITH LOCALIZED GUSTS OVER 85 MPH.

* TEMPERATURES...IN THE MID 20S.

* VISIBILITIES...QUARTER OF A MILE OR LESS IN SNOW...BLOWING 
  SNOW...AND FREEZING FOG. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST TRAVEL...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE.

&&

$$
069 
WWHW40 PHFO 130140
WSWHFO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE HONOLULU HI
340 PM HST THU MAR 12 2015

...WINTER WEATHER ADVISORY FOR THE BIG ISLAND SUMMITS ABOVE 11000
FT TONIGHT...

.LINGERING MOIST AND UNSTABLE CONDITIONS ARE EXPECTED TO PRODUCE
FREEZING FOG ALONG WITH SOME SNOW SHOWERS TONIGHT. THE GREATEST
CHANCE FOR ICE AND SNOW WILL BE BEFORE MIDNIGHT.

HIZ028-131345-
/O.CAN.PHFO.BZ.W.0002.000000T0000Z-150313T0400Z/
/O.NEW.PHFO.WW.Y.0003.150313T0140Z-150313T1600Z/
BIG ISLAND SUMMITS-
340 PM HST THU MAR 12 2015

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 AM HST FRIDAY...
...BLIZZARD WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN HONOLULU HAS ISSUED A WINTER
WEATHER ADVISORY FOR ICE AND POSSIBLE SNOW SHOWERS...WHICH IS IN
EFFECT UNTIL 6 AM HST FRIDAY. THE BLIZZARD WARNING HAS BEEN
CANCELLED.

* LOCATIONS...BIG ISLAND SUMMITS ABOVE 11000 FEET.

* HAZARD TYPES...FREEZING FOG AND SNOW SHOWERS.

* ACCUMULATIONS...LIGHT ICE ACCUMULATION WITH UP TO AN INCH OF
  SNOW.

* TIMING...THROUGH 4 AM HST FRIDAY WITH THE GREATEST CHANCE FOR
  ICE AND SNOW BEFORE MIDNIGHT.

* IMPACTS...TRAVEL TO THE SUMMITS...EITHER ON FOOT OR BY 
  VEHICLE...WILL BE HAZARDOUS. 

* WINDS...WEST 45 TO 65 MPH.

* TEMPERATURES...IN THE MID TO LOW 20S.

* VISIBILITIES...QUARTER OF A MILE OR LESS IN FREEZING FOG AT
  TIMES...MAINLY DURING THE EVENING.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$
WROE

Nearby

Blizzard Warnings in Hawaii, 2015Every blizzard warning in 2015

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.