Alert archive / Hawaii / High Wind Warnings in 2017
High Wind Warning 4, NWS Honolulu, HI
NWS Honolulu, HI issued this high wind warning at Jan 25, 2017, 2:50 AM HST for Hawaii County, Hawaii. It took effect at Jan 25, 2017, 3:00 AM HST. It was in force for 13 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
- Jan 25, 2017, 2:50 AM HST (12:50 UTC)
- In effect from
- Jan 25, 2017, 3:00 AM HST
- Expired
- Jan 25, 2017, 3:38 PM HST
- In force
- 13 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 12:51 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, 0.8 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
- 32 J/kg
- Mixed-layer CIN
- -34 J/kg
- Mixed-layer LCL
- 768 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- -22 m²/s²
- 0-3 km storm-relative helicity
- 73 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
855 WWHW70 PHFO 251250 NPWHFO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 250 AM HST WED JAN 25 2017 ...HIGH WIND WARNING UNTIL 6 AM HST THURSDAY FOR SUMMITS AND UPPER SLOPES OF MAUNA KEA AND MAUNA LOA... .STRONG NORTH TO NORTHEAST WINDS ARE EXPECTED TO DEVELOP OVER THE SUMMITS OF THE BIG ISLAND TODAY AS AN UPPER-LEVEL HIGH BUILDS TO THE WEST...AND A UPPER-LEVEL TROUGH MOVES EAST OF THE AREA. WINDS ARE EXPECTED TO GRADUALLY DIMINISH ON THURSDAY. HIZ028-260200- /O.UPG.PHFO.HW.A.0002.170125T1600Z-170126T1600Z/ /O.NEW.PHFO.HW.W.0004.170125T1300Z-170126T1600Z/ BIG ISLAND SUMMITS- INCLUDING THE CITY OF...MAUNA LOA AND MAUNA KEA ABOVE 8000 FEET 250 AM HST WED JAN 25 2017 ...HIGH WIND WARNING IN EFFECT UNTIL 6 AM HST THURSDAY... THE NATIONAL WEATHER SERVICE IN HONOLULU HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT UNTIL 6 AM HST THURSDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. * TIMING...INCREASING THIS MORNING...AND REMAINING STRONG THROUGH TONIGHT. * WINDS...NORTH TO NORTHEAST WINDS INCREASING TO 40 TO 60 MPH... WITH GUSTS NEAR 75 MPH. * IMPACTS...WINDS THIS STRONG WILL MAKE TRAVEL TO THE SUMMITS EXTREMELY DANGEROUS. BLOWING DUST WILL LEAD TO REDUCED VISIBILITY...WHILE THE STRONG WINDS WILL MAKE DRIVING HAZARDOUS...ESPECIALLY FOR HIGH PROFILE VEHICLES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS THAT WINDS AT THE SUMMITS ARE EXPECTED TO BE AT LEAST 56 MPH...WITH GUSTS OVER 66 MPH. TAKE NECESSARY PRECAUTIONS TO PROTECT PROPERTY. TRAVEL TO THE SUMMIT AREAS SHOULD BE DELAYED UNTIL WINDS SUBSIDE. && $$ BIRCHARD
1 follow-up statement
400 WWHW70 PHFO 260138 NPWHFO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 338 PM HST WED JAN 25 2017 ...WIND ADVISORY FOR THE BIG ISLAND SUMMITS... .STRONG NORTH TO NORTHEAST WINDS ARE EXPECTED TONIGHT AS AN UPPER-LEVEL HIGH MOVES WEST OVER THE STATE. WINDS ARE EXPECTED TO DIMINISH THURSDAY. HIZ028-261445- /O.CAN.PHFO.HW.W.0004.000000T0000Z-170126T1600Z/ /O.NEW.PHFO.WI.Y.0008.170126T0138Z-170126T1600Z/ BIG ISLAND SUMMITS- INCLUDING THE CITY OF...MAUNA LOA AND MAUNA KEA ABOVE 8000 FEET 338 PM HST WED JAN 25 2017 ...WIND ADVISORY IN EFFECT UNTIL 6 AM HST THURSDAY... ...HIGH WIND WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN HONOLULU HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 6 AM HST THURSDAY. THE HIGH WIND WARNING HAS BEEN CANCELLED. * TIMING...THROUGH TONIGHT. * WINDS...NORTH TO NORTHEAST WINDS TO 30 TO 50 MPH... WITH GUSTS NEAR 60 MPH. * IMPACTS....STRONG WINDS WILL MAKE DRIVING HAZARDOUS...ESPECIALLY IN HIGH PROFILE VEHICLES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY FOR THE SUMMITS MEANS THAT SUSTAINED WINDS OF AT LEAST 45 MPH...OR GUSTS OF AT LEAST 55 MPH...ARE EXPECTED. MOTORISTS SHOULD USE EXTRA CAUTION. && $$ MORRISON
The office that day
Everything else NWS Honolulu, HI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 24, 3:48 PM HST | Areal Flood Advisory | HFO | Hawaii | 3 hr |
| Jan 24, 3:58 PM HST | Areal Flood Advisory | HFO | Kalawao | 3 hr |
| Jan 24, 6:44 PM HST | Areal Flood Advisory | HFO | Hawaii | 3 hr |
| Jan 24, 8:10 PM HST | High Wind Watch | HFO | Hawaii | 7 hr |
| Jan 24, 9:46 PM HST | Areal Flood Advisory | HFO | Hawaii | 3 hr |
| Jan 25, 2:49 AM HST | High Surf Warning | HFO | Honolulu, Kauai, Kalawao | 31 hr |
Nearby
High Wind Warnings in Hawaii, 2017Every high wind warning in 2017
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.