Alert archive / Arizona / Flash Flood Warnings in 2007
Flash Flood Warning 49, NWS Tucson, AZ
NWS Tucson, AZ issued this flash flood warning at Aug 14, 2007, 4:25 PM MST for Pima County, Arizona. It was in force for 50 min. 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, 2007, 4:25 PM MST (23:25 UTC)
- Expired
- Aug 14, 2007, 5:15 PM MST
- In force
- 50 min
- Issued by
- NWS Tucson, AZ
- Area
- Counties, with a storm outline in the text
- Flood severity
- None
County Pima County, AZ
The radar
The Tucson radar (KEMX), 66 km from the middle of the area, began a volume at 23:27 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 (KTUS), launched 12:00Z, 11.4 hours before the alert went out and 27 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
- 600 J/kg
- Mixed-layer CIN
- -215 J/kg
- Mixed-layer LCL
- 1508 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 3 m²/s²
- 0-3 km storm-relative helicity
- 97 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS55 KTWC 142327 FFWTWC AZC019-150015- /X.NEW.KTWC.FF.W.0049.070814T2325Z-070815T0015Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE TUCSON AZ 425 PM MST TUE AUG 14 2007 THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A * FLASH FLOOD WARNING FOR... NORTHEASTERN PIMA COUNTY IN SOUTH CENTRAL ARIZONA... THIS INCLUDES THE CITIES OF...ORO VALLEY...MARANA... * UNTIL 515 PM MST * AT 423 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED HEAVY RAIN FROM A THUNDERSTORM OVER ORO VALLEY...MOVING NORTHWEST AT 10 MPH. * OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO CATALINA AND DOVE MOUNTAIN. THIS FLASH FLOOD WARNING REPLACES THE URBAN AND SMALL STREAM FLOOD ADVISORY THAT WAS IN EFFECT FOR EAST CENTRAL PIMA COUNTY...INCLUDING THE TUCSON...ORO VALLEY AND MARANA AREAS UNTIL 515 PM MST. 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. MOVE TO HIGHER GROUND. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY AUTOMOBILE. LAT...LON 3230 11113 3227 11080 3252 11083 3251 11128 $$ WEATHER.GOV/TUCSON
2 follow-up statements
000 WGUS75 KTWC 142352 FFSTWC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 449 PM MST TUE AUG 14 2007 AZC019-150015- /X.CON.KTWC.FF.W.0049.000000T0000Z-070815T0015Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ PIMA AZ- 449 PM MST TUE AUG 14 2007 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 515 PM MST FOR NORTHEASTERN PIMA COUNTY... AT 447 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A THUNDERSTORM PRODUCING FLASH FLOODING. THIS STORM WAS LOCATED BETWEEN ORO VALLEY AND MARANA...MOVING NORTHWEST AT 10 MPH. RADAR ESTIMATES THAT UP TO 1.5 INCHES OF RAINFALL HAS FALLEN IN THE LAST HOUR IN THE ORO VALLEY AREA...WITH SPOTTERS IN THAT AREA REPORTING BETWEEN 0.70 AND 1.06 INCHES. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. MOVE TO HIGHER GROUND. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY AUTOMOBILE. LAT...LON 3230 11113 3227 11080 3252 11083 3251 11128 $$ WEATHER.GOV/TUCSON
000 WGUS75 KTWC 150018 FFSTWC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 515 PM MST TUE AUG 14 2007 AZC019-150025- /X.EXP.KTWC.FF.W.0049.000000T0000Z-070815T0015Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ PIMA AZ- 515 PM MST TUE AUG 14 2007 ...THE FLASH FLOOD WARNING HAS EXPIRED FOR NORTHEASTERN PIMA COUNTY... AT 514 PM MST...NATIONAL WEATHER SERVICE RADAR INDICATED THE THUNDERSTORM WHICH PRODUCED VERY HEAVY RAINFALL IN THE ORO VALLEY AND MARANA AREAS HAD WEAKENED AND MOVED NORTH INTO SOUTHEAST PINAL COUNTY. ALTHOUGH THE HEAVY RAINFALL HAS STOPPED...RUNOFF MAY STILL CAUSE THE PONDING OF WATER ON ROADWAYS...ALONG WITH HIGH RUNNING WASHES. MOTORISTS SHOULD USE EXTREME CAUTION. LAT...LON 3230 11113 3227 11080 3252 11083 3251 11128 $$ WEATHER.GOV/TUCSON
The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 13, 7:08 PM MST | Severe Thunderstorm Warning | TWC | Pima | 28 min |
| Aug 14, 2:07 PM MST | Severe Thunderstorm Warning | TWC | Santa Cruz | 38 min |
| Aug 14, 2:56 PM MST | Areal Flood Advisory | TWC | Santa Cruz | 95 min |
| Aug 14, 3:32 PM MST | Severe Thunderstorm Warning | TWC | Pima | 28 min |
| Aug 14, 3:49 PM MST | Areal Flood Advisory | TWC | Pima | 86 min |
| Aug 14, 4:09 PM MST | Severe Thunderstorm Warning | TWC | Pima | 36 min |
| Aug 14, 4:42 PM MST | Severe Thunderstorm Warning | TWC | Pima, Pinal | 33 min |
Nearby
Flash Flood Warnings in Arizona, 2007Every flash flood warning in 2007
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.