Alert archive / Hawaii / Winter Storm Warnings in 2012
Winter Storm Warning 2, NWS Honolulu, HI
NWS Honolulu, HI issued this winter storm warning at Feb 21, 2012, 11:54 AM HST for Hawaii County, Hawaii. It was in force for 22 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
- Feb 21, 2012, 11:54 AM HST (21:54 UTC)
- Expired
- Feb 22, 2012, 10:11 AM HST
- In force
- 22 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 21:57 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 12:00Z, 9.9 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.
- Mixed-layer CAPE
- 882 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 571 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 31 m²/s²
- 0-3 km storm-relative helicity
- 73 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted, in the capitals the NWS used until 2016.
265 WWHW40 PHFO 212154 WSWHFO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 1154 AM HST TUE FEB 21 2012 ...WINTER WEATHER TO CONTINUE OVER THE BIG ISLAND SUMMITS TROUGH TONIGHT... HIZ028-221000- /O.UPG.PHFO.WW.Y.0001.000000T0000Z-120222T0400Z/ /O.NEW.PHFO.WS.W.0002.120221T2154Z-120222T1600Z/ BIG ISLAND SUMMITS- INCLUDING THE CITY OF...MAUNA LOA AND MAUNA KEA ABOVE 8000 FEET 1154 AM HST TUE FEB 21 2012 ...WINTER STORM WARNING IN EFFECT UNTIL 6 AM HST WEDNESDAY... THE NATIONAL WEATHER SERVICE IN HONOLULU HAS ISSUED A WINTER STORM WARNING FOR SNOWFALL...WHICH IS IN EFFECT UNTIL 6 AM HST WEDNESDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. * LOCATIONS...BIG ISLAND SUMMITS ABOVE 10000 FT. * HAZARD TYPES...SNOW SHOWERS AND PERIODS OF FREEZING RAIN. * ACCUMULATIONS...AN ADDITIONAL 3 TO 4 INCHES OF SNOWFALL IS EXPECTED THIS AFTERNOON AND TONIGHT. * TIMING...THROUGH TONIGHT. * IMPACTS...HAZARDOUS CONDITIONS LEADING TO ROAD CLOSURES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ WROE
3 follow-up statements
764 WWHW40 PHFO 220137 WSWHFO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 337 PM HST TUE FEB 21 2012 ...WINTER WEATHER TO CONTINUE OVER THE BIG ISLAND SUMMITS THROUGH TONIGHT... HIZ028-221345- /O.CON.PHFO.WS.W.0002.000000T0000Z-120222T1600Z/ BIG ISLAND SUMMITS- INCLUDING THE CITY OF...MAUNA LOA AND MAUNA KEA ABOVE 8000 FEET 337 PM HST TUE FEB 21 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM HST WEDNESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM HST WEDNESDAY. * LOCATIONS...BIG ISLAND SUMMITS ABOVE 10000 FT. * HAZARD TYPES...SNOW SHOWERS AND PERIODS OF FREEZING RAIN. * ACCUMULATIONS...AN ADDITIONAL 1 TO 3 INCHES OF SNOWFALL. * TIMING...THROUGH TONIGHT. * IMPACTS...HAZARDOUS CONDITIONS LEADING TO ROAD CLOSURES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ DEJESUS
694 WWHW40 PHFO 221322 WSWHFO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 322 AM HST WED FEB 22 2012 ...WINTER WEATHER TO CONTINUE OVER THE BIG ISLAND SUMMITS THROUGH TODAY... HIZ028-230130- /O.EXT.PHFO.WS.W.0002.000000T0000Z-120223T0400Z/ BIG ISLAND SUMMITS- INCLUDING THE CITY OF...MAUNA LOA AND MAUNA KEA ABOVE 8000 FEET 322 AM HST WED FEB 22 2012 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 6 PM HST THIS EVENING... THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL 6 PM HST THIS EVENING. * LOCATIONS...BIG ISLAND SUMMITS ABOVE 10000 FT. * HAZARD TYPES...SNOW SHOWERS AND PERIODS OF FREEZING RAIN. * ACCUMULATIONS...AN ADDITIONAL 1 TO 3 INCHES OF SNOWFALL. * TIMING...THROUGH TODAY. * IMPACTS...HAZARDOUS CONDITIONS LEADING TO ROAD CLOSURES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MORRISON
092 WWHW40 PHFO 222011 WSWHFO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 1011 AM HST WED FEB 22 2012 HIZ028-222115- /O.CAN.PHFO.WS.W.0002.000000T0000Z-120223T0400Z/ BIG ISLAND SUMMITS- INCLUDING THE CITY OF...MAUNA LOA AND MAUNA KEA ABOVE 8000 FEET 1011 AM HST WED FEB 22 2012 ...WINTER STORM WARNING IS CANCELLED... THE THREAT FOR ADDITIONAL HEAVY SNOW OR FREEZING RAIN AT THE SUMMITS HAS DIMINISHED. $$ R BALLARD
Nearby
Winter Storm Warnings in Hawaii, 2012Every winter storm warning in 2012
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.