Alert archive / Hawaii / Flash Flood Warnings in 2011
Flash Flood Warning 3, NWS Honolulu, HI
NWS Honolulu, HI issued this flash flood warning at Jan 12, 2011, 8:24 AM HST for Kalawao County, Hawaii. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jan 12, 2011, 8:24 AM HST (18:24 UTC)
- Expired
- Jan 12, 2011, 2:11 PM HST
- In force
- 6 hr
- Issued by
- NWS Honolulu, HI
- Area
- Storm-based polygon
- Flood severity
- None
County Kalawao County, HI
The radar
The Molokai radar (PHMO), 78 km from the middle of the area, began a volume at 18:24 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, 6.4 hours before the alert went out and 200 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
- 102 J/kg
- Mixed-layer CIN
- -86 J/kg
- Mixed-layer LCL
- 1048 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 24 m²/s²
- 0-3 km storm-relative helicity
- 86 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
168
WGHW50 PHFO 121824
FFWHFO
HIC009-122115-
/O.NEW.PHFO.FF.W.0003.110112T1824Z-110112T2115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE HONOLULU HI
824 AM HST WED JAN 12 2011
THE NATIONAL WEATHER SERVICE IN HONOLULU HAS ISSUED A
* FLASH FLOOD WARNING FOR...
THE ISLAND OF MAUI IN MAUI COUNTY
* UNTIL 1115 AM HST
* AT 819 AM HST...RADAR SHOWED HEAVY RAIN ALONG A LINE EXTENDING FROM
8 MILES WEST OF LAHAINA TO ULUPALAKUA...OR ALONG A LINE EXTENDING
FROM 22 MILES WEST OF KAHULUI TO 19 MILES SOUTH OF KAHULUI...MOVING
NORTHEAST AT 20 MPH. ADDITIONAL HEAVY SHOWERS EXTEND 30 MILES
OFFSHORE TO THE SOUTHWEST.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
WAILEA...MAALAEA...KIHEI...WAILUKU...KAHULUI...PUKALANI...
LAHAINA...MAKAWAO...AND PAIA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A FLASH FLOOD WARNING MEANS FLASH FLOODING IS IMMINENT OR OCCURRING
IN STREAMS...ROADS AND LOW LYING AREAS. MOVE TO HIGHER GROUND NOW.
DO NOT CROSS FAST FLOWING OR RISING WATER IN YOUR VEHICLE OR ON FOOT.
TURN AROUND...DON/T DROWN.
&&
THIS WARNING MAY NEED TO BE EXTENDED BEYOND 1115 AM HST IF FLASH
FLOODING PERSISTS.
LAT...LON 2108 15666 2096 15622 2056 15620 2056 15644
2092 15674
$$
BRAVENDER5 follow-up statements
787
WGHW70 PHFO 122020
FFSHFO
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE HONOLULU HI
1020 AM HST WED JAN 12 2011
HIC009-122115-
/O.CON.PHFO.FF.W.0003.000000T0000Z-110112T2115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MAUI IN MAUI COUNTY-
1020 AM HST WED JAN 12 2011
...A FLASH FLOOD WARNING REMAINS IN EFFECT FOR THE ISLAND OF MAUI IN
MAUI COUNTY UNTIL 1115 AM HST...
THE INITIAL HEAVY RAINFALL OVER MAUI MOVED OFFSHORE TO THE
NORTHEAST. HOWEVER...RUNOFF CONTINUES TO OCCUR AND ADDITIONAL
RAINFALL MAY BE MOVING OVER MAUI FROM THE SOUTHWEST WITHIN THE NEXT
HOUR.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
WAILEA...MAALAEA...KIHEI...WAILUKU...KAHULUI...PUKALANI...LAHAINA...
MAKAWAO AND PAIA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A FLASH FLOOD WARNING MEANS FLASH FLOODING IS IMMINENT OR OCCURRING
IN STREAMS...ROADS AND LOW LYING AREAS. MOVE TO HIGHER GROUND NOW.
DO NOT CROSS FAST FLOWING OR RISING WATER IN YOUR VEHICLE OR ON FOOT.
TURN AROUND...DON/T DROWN.
&&
THIS WARNING MAY NEED TO BE EXTENDED BEYOND 1115 AM HST IF FLASH
FLOODING PERSISTS.
LAT...LON 2108 15666 2096 15622 2056 15620 2056 15644
2092 15674
$$
KODAMA934
WGHW50 PHFO 122118
FFWHFO
HIC009-130015-
/O.EXT.PHFO.FF.W.0003.000000T0000Z-110113T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE HONOLULU HI
1118 AM HST WED JAN 12 2011
THE NATIONAL WEATHER SERVICE IN HONOLULU HAS EXTENDED THE
* FLASH FLOOD WARNING FOR...
THE ISLAND OF MAUI IN MAUI COUNTY
* UNTIL 215 PM HST
* AT 1105 AM HST...HEAVY RAINFALL WAS OCCURRING OVER UPCOUNTRY AND
CENTRAL MAUI. ADDITIONAL HEAVY RAINFALL WAS EXPECTED TO MOVE OVER
MAUI FROM THE SOUTHWEST OVER THE NEXT SEVERAL HOURS. FLASH
FLOODING WILL OCCUR QUICKLY ON THE ALREADY SATURATED GROUND.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
WAILEA...MAALAEA...KIHEI...WAILUKU...KAHULUI...PUKALANI...
LAHAINA...MAKAWAO AND PAIA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A FLASH FLOOD WARNING MEANS FLASH FLOODING IS IMMINENT OR OCCURRING
IN STREAMS...ROADS AND LOW LYING AREAS. MOVE TO HIGHER GROUND NOW.
DO NOT CROSS FAST FLOWING OR RISING WATER IN YOUR VEHICLE OR ON FOOT.
TURN AROUND...DON/T DROWN.
&&
THIS FLASH FLOOD WARNING REPLACES THE PRE-EXISTING WARNING THAT WAS
IN EFFECT FOR THE ISLAND OF MAUI IN MAUI COUNTY.
THIS WARNING MAY NEED TO BE EXTENDED BEYOND 215 PM HST IF FLASH
FLOODING PERSISTS.
LAT...LON 2108 15666 2096 15622 2056 15620 2056 15644
2092 15674
$$
KODAMA444
WGHW70 PHFO 122240
FFSHFO
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE HONOLULU HI
1240 PM HST WED JAN 12 2011
HIC009-130015-
/O.CON.PHFO.FF.W.0003.000000T0000Z-110113T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MAUI IN MAUI COUNTY-
1240 PM HST WED JAN 12 2011
...A FLASH FLOOD WARNING REMAINS IN EFFECT FOR THE ISLAND OF MAUI IN
MAUI COUNTY UNTIL 215 PM HST...
RADAR AND RAIN GAGE DATA SHOWED THE HEAVIEST RAINFALL WAS OVER WEST
MAUI FROM LAHAINA TO NAPILI WITH RATES OF ONE TO TWO INCHES PER
HOUR. ADDITIONAL HEAVY RAINFALL WILL MOVE OVER WEST MAUI DURING THE
NEXT SEVERAL HOURS.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WAILEA...
MAALAEA...KIHEI...WAILUKU...KAHULUI...PUKALANI...LAHAINA...
MAKAWAO AND PAIA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A FLASH FLOOD WARNING MEANS FLASH FLOODING IS IMMINENT OR OCCURRING
IN STREAMS...ROADS AND LOW LYING AREAS. MOVE TO HIGHER GROUND NOW.
DO NOT CROSS FAST FLOWING OR RISING WATER IN YOUR VEHICLE OR ON FOOT.
TURN AROUND...DON/T DROWN.
&&
THIS WARNING MAY NEED TO BE EXTENDED BEYOND 215 PM HST IF FLASH
FLOODING PERSISTS.
LAT...LON 2108 15666 2096 15622 2056 15620 2056 15644
2092 15674
$$
KODAMA060
WGHW70 PHFO 122334
FFSHFO
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE HONOLULU HI
134 PM HST WED JAN 12 2011
HIC009-130015-
/O.CON.PHFO.FF.W.0003.000000T0000Z-110113T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MAUI IN MAUI COUNTY-
134 PM HST WED JAN 12 2011
...A FLASH FLOOD WARNING REMAINS IN EFFECT FOR THE ISLAND OF MAUI IN
MAUI COUNTY UNTIL 215 PM HST...
MAUI COUNTY EMERGENCY MANAGERS REPORTED VERY HEAVY RAIN AND
FLOODING IN WEST MAUI AND ESPECIALLY IN THE NAPILI AREA.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WAILEA...
MAALAEA...KIHEI...WAILUKU...KAHULUI...PUKALANI...LAHAINA...
MAKAWAO AND PAIA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A FLASH FLOOD WARNING MEANS FLASH FLOODING IS IMMINENT OR OCCURRING
IN STREAMS...ROADS AND LOW LYING AREAS. MOVE TO HIGHER GROUND NOW.
DO NOT CROSS FAST FLOWING OR RISING WATER IN YOUR VEHICLE OR ON FOOT.
TURN AROUND...DON/T DROWN.
&&
THIS WARNING MAY NEED TO BE EXTENDED BEYOND 215 PM HST IF FLASH
FLOODING PERSISTS.
LAT...LON 2108 15666 2096 15622 2056 15620 2056 15644
2092 15674
$$
KODAMA759
WGHW70 PHFO 130011
FFSHFO
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE HONOLULU HI
211 PM HST WED JAN 12 2011
HIC009-130013-
/O.CAN.PHFO.FF.W.0003.000000T0000Z-110113T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MAUI IN MAUI COUNTY-
211 PM HST WED JAN 12 2011
...THE FLASH FLOOD WARNING IS CANCELLED FOR THE ISLAND OF MAUI IN
MAUI COUNTY...
THE HEAVY RAINS AND FLOODING HAVE SUBSIDED...BUT RUNOFF IS STILL
OCCURRING AND STREAMS WILL REMAIN HIGH FOR SEVERAL HOURS.
A FLOOD ADVISORY WILL BE ISSUED SHORTLY FOR THE ISLAND OF MAUI DUE
TO ONGOING MINOR FLOODING PROBLEMS.
A FLASH FLOOD WATCH FOR MAUI COUNTY REMAINS IN THROUGH THURSDAY
AFTERNOON.
LAT...LON 2108 15666 2096 15622 2056 15620 2056 15644
2092 15674
$$
KODAMAThe office that day
Everything else NWS Honolulu, HI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 11, 3:30 PM HST | Areal Flood Advisory | HFO | Hawaii | 6 hr |
| Jan 11, 3:30 PM HST | Wind Advisory | HFO | Hawaii, Honolulu, Kauai, Kalawao | 53 hr |
| Jan 12, 3:19 AM HST | Special Marine Warning | HFO | 101 min | |
| Jan 12, 3:31 AM HST | Winter Storm Warning | HFO | Hawaii | 36 hr |
| Jan 12, 4:51 AM HST | Special Marine Warning | HFO | 114 min | |
| Jan 12, 4:58 AM HST | Flash Flood Warning | HFO | Honolulu | 3 hr |
| Jan 12, 5:05 AM HST | Areal Flood Advisory | HFO | Kauai | 3 hr |
| Jan 12, 5:18 AM HST | Areal Flood Advisory | HFO | Kalawao | 6 hr |
| Jan 12, 5:40 AM HST | Areal Flood Advisory | HFO | Kalawao | 9 hr |
| Jan 12, 5:44 AM HST | Areal Flood Advisory | HFO | Kalawao | 3 hr |
| Jan 12, 6:43 AM HST | Special Marine Warning | HFO | 2 hr | |
| Jan 12, 7:16 AM HST | Special Marine Warning | HFO | 119 min | |
| Jan 12, 8:42 AM HST | Special Marine Warning | HFO | 2 hr | |
| Jan 12, 9:15 AM HST | Special Marine Warning | HFO | 70 min | |
| Jan 12, 10:10 AM HST | Special Marine Warning | HFO | 95 min | |
| Jan 12, 11:20 AM HST | Special Marine Warning | HFO | 55 min | |
| Jan 12, 11:42 AM HST | Special Marine Warning | HFO | 48 min | |
| Jan 12, 11:49 AM HST | Areal Flood Advisory | HFO | Kalawao | 3 hr |
| Jan 12, 11:53 AM HST | Severe Thunderstorm Warning | HFO | Kalawao | 37 min |
| Jan 12, 12:19 PM HST | Flash Flood Warning | HFO | Kalawao | 2 hr |
| Jan 12, 12:25 PM HST | Special Marine Warning | HFO | 65 min | |
| Jan 12, 12:56 PM HST | Areal Flood Advisory | HFO | Honolulu | 6 hr |
| Jan 12, 1:30 PM HST | Special Marine Warning | HFO | 29 min |
Nearby
Flash Flood Warnings in Hawaii, 2011Every flash flood warning in 2011
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.