Alert archive / Arizona / Flash Flood Warnings in 2014
Flash Flood Warning 39, NWS Tucson, AZ
NWS Tucson, AZ issued this flash flood warning at Aug 14, 2014, 12:30 PM MST for Pima County, Arizona. It was in force for 2 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
- Aug 14, 2014, 12:30 PM MST (19:30 UTC)
- Expired
- Aug 14, 2014, 2:30 PM MST
- In force
- 2 hr
- Issued by
- NWS Tucson, AZ
- Area
- Storm-based polygon
- Flood severity
- None
County Pima County, AZ
The radar
The Tucson radar (KEMX), 112 km from the middle of the area, began a volume at 19:32 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
Tuscon, AZ (KDMA), launched 12:00Z, 7.5 hours before the alert went out and 82 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
- 665 J/kg
- Mixed-layer CIN
- -90 J/kg
- Mixed-layer LCL
- 1462 m above ground
- 0-6 km bulk shear
- 5 kt
- 0-1 km storm-relative helicity
- 1 m²/s²
- 0-3 km storm-relative helicity
- -2 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
752
WGUS55 KTWC 141930
FFWTWC
AZC019-142130-
/O.NEW.KTWC.FF.W.0039.140814T1930Z-140814T2130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TUCSON AZ
1230 PM MST THU AUG 14 2014
THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A
* FLASH FLOOD WARNING FOR...
CENTRAL PIMA COUNTY IN SOUTHEAST ARIZONA...
THIS INCLUDES THE CITY OF SELLS...
* UNTIL 230 PM MST
* AT 1222 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR
INDICATED HEAVY RAIN FROM A THUNDERSTORM EAST OF COMOBABI THAT
WILL LEAD TO FLASH FLOODING OVER THE WARNED AREA ESPECIALLY
ANEGAN WASH AS IT FLOWS NORTH THROUGH SANTA ROSA RANCH.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.
&&
LAT...LON 3224 11184 3235 11170 3229 11164 3189 11169
3190 11194
$$
RH2 follow-up statements
437
WGUS75 KTWC 142035
FFSTWC
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
135 PM MST THU AUG 14 2014
AZC019-142130-
/O.CON.KTWC.FF.W.0039.000000T0000Z-140814T2130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PIMA AZ-
135 PM MST THU AUG 14 2014
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 230 PM MST FOR
CENTRAL PIMA COUNTY...
AT 124 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR ESTIMATES
SHOWED RAINFALL TOTALS OF UP TO 3 INCHES NEAR COMOBABI AND
SURROUNDING AREAS. RUNOFF FROM THIS AND NEARBY STORMS WILL LEAD
TO FLASH FLOODING OVER THE WARNED AREA.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SELLS AND
SIL NAGGIA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.
&&
LAT...LON 3224 11184 3235 11170 3229 11164 3189 11169
3190 11194
$$
RH412
WGUS75 KTWC 142100
FFSTWC
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
200 PM MST THU AUG 14 2014
AZC019-142102-
/O.CAN.KTWC.FF.W.0039.000000T0000Z-140814T2130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PIMA AZ-
200 PM MST THU AUG 14 2014
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR CENTRAL PIMA
COUNTY...
...A SMALL STREAM FLOOD ADVISORY REMAINS IN EFFECT UNTIL 430 PM MST
FOR CENTRAL PIMA COUNTY...INCLUDING THE TOHONO O'ODHAM NATION...
THE HEAVY RAINFALL IN THE WARNING AREA HAD ENDED...AND THEREFORE THE
LIFE THREATENING FLASH FLOOD WARNING HAS BEEN CANCELLED. HOWEVER...
SOME ELEVATED FLOWS IN WASHES AND SMALL STREAM CAN STILL BE EXPECTED
THROUGH THE REST OF THE AFTERNOON HOURS.
REMEMBER...A SMALL STREAM FLOOD ADVISORY REMAINS IN EFFECT FOR MUCH
OF THE TOHONO O'ODHAM NATION THROUGH 430 PM MST TODAY.
LAT...LON 3224 11184 3235 11170 3229 11164 3189 11169
3190 11194
$$The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 13, 5:33 PM MST | Flash Flood Warning | TWC | Cochise, Pima | 117 min |
| Aug 13, 5:43 PM MST | Special Weather Statement | TWC | Cochise | 32 min |
| Aug 13, 6:30 PM MST | Areal Flood Advisory | TWC | Cochise | 2 hr |
| Aug 14, 11:13 AM MST | Areal Flood Advisory | TWC | Pima | 2 hr |
| Aug 14, 11:52 AM MST | Areal Flood Advisory | TWC | Pima, Santa Cruz | 113 min |
| Aug 14, 12:11 PM MST | Special Weather Statement | TWC | 34 min | |
| Aug 14, 1:02 PM MST | Flash Flood Warning | TWC | Pima | 88 min |
| Aug 14, 1:37 PM MST | Areal Flood Advisory | TWC | Pima | 3 hr |
| Aug 14, 2:19 PM MST | Special Weather Statement | TWC | Pinal | 41 min |
| Aug 14, 2:37 PM MST | Flash Flood Warning | TWC | Pima | 83 min |
| Aug 14, 3:08 PM MST | Special Weather Statement | TWC | Pinal | 37 min |
| Aug 14, 4:12 PM MST | Areal Flood Advisory | TWC | Pima | 2 hr |
Nearby
Flash Flood Warnings in Arizona, 2014Every flash flood warning in 2014
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.