Alert archive / Arizona / Flash Flood Warnings in 2016
Flash Flood Warning 24, NWS Tucson, AZ
NWS Tucson, AZ issued this flash flood warning at Aug 9, 2016, 9:08 AM MST for Pima County, Arizona. It was in force for 3 hr. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Aug 9, 2016, 9:08 AM MST (16:08 UTC)
- Expired
- Aug 9, 2016, 12:00 PM MST
- In force
- 3 hr
- Issued by
- NWS Tucson, AZ
- Area
- Storm-based polygon
- Flood severity
- None
County Pima County, AZ
The radar
The Tucson radar (KEMX), 60 km from the middle of the area, began a volume at 16:09 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 9, 10:00 AM MST | FLASH FLOOD | Tucson, AZ | FLASH FLOODING NEAR SILVERBELL AND SPEEDWAY. LOWER LEVEL OF TOWNHOUSES FLOODED WITH DAMAGE. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Tuscon, AZ (KDMA), launched 12:00Z, 4.1 hours before the alert went out and 24 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
- 1435 J/kg
- Mixed-layer CIN
- -60 J/kg
- Mixed-layer LCL
- 1478 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- 7 m²/s²
- 0-3 km storm-relative helicity
- 6 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
192 WGUS55 KTWC 091608 FFWTWC AZC019-091900- /O.NEW.KTWC.FF.W.0024.160809T1608Z-160809T1900Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE TUCSON AZ 908 AM MST TUE AUG 9 2016 THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A * FLASH FLOOD WARNING FOR... NORTHEASTERN PIMA COUNTY IN SOUTHEASTERN ARIZONA... * UNTIL NOON MST * AT 907 AM MST...DOPPLER RADAR AND AUTOMATED RAIN GAUGES INDICATED THUNDERSTORMS PRODUCING HEAVY RAIN IN PARTS OF THE TUCSON METRO AND EASTERN PORTIONS OF THE TOHONO O'ODHAM NATION. OVER AN INCH OF RAIN HAS BEEN RECORDED IN SOME AREAS IN THE PAST HOUR. * SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... TUCSON...ORO VALLEY...MARANA...GREEN VALLEY...SAHUARITA... FLOWING WELLS...KITT PEAK...DREXEL-ALVERNON...CASAS ADOBES... DREXEL HEIGHTS...TUCSON ESTATES...TORTOLITA...AVRA VALLEY... LITTLETOWN...VALENCIA WEST...THREE POINTS...EAST SAHUARITA... SUMMIT...TANQUE VERDE AND SOUTH TUCSON. PRECAUTIONARY/PREPAREDNESS ACTIONS... TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD DEATHS OCCUR IN VEHICLES. && LAT...LON 3250 11082 3174 11077 3173 11175 3250 11163 $$ KD
2 follow-up statements
526 WGUS75 KTWC 091635 FFSTWC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 935 AM MST TUE AUG 9 2016 AZC019-091900- /O.CON.KTWC.FF.W.0024.000000T0000Z-160809T1900Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ PIMA- 935 AM MST TUE AUG 9 2016 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL NOON MST FOR NORTHEASTERN PIMA COUNTY... AT 931 AM MST...DOPPLER RADAR AND AUTOMATED RAIN GAUGES INDICATED THUNDERSTORMS PRODUCING HEAVY RAIN OVER NORTH CENTRAL AND NORTHEAST PIMA COUNTY...INCLUDING THE TUCSON METRO AREA. UP TO TWO INCHES OF RAIN HAVE ALREADY FALLEN IN SOME AREAS. IN ADDITION TO STREET FLOODING IN TUCSON...EXPECT STRONG FLOWS IN SMALLER WASHES THAT RUN THROUGH THE CITY SUCH AS ALAMO WASH...ARCADIA WASH AND MANY OTHERS. HEAVY RAIN AND FLASH FLOODING ARE ALSO LIKELY NORTH AND WEST OF THREE POINTS...IN THE PICTURE ROCKS AREA AND IN GREEN VALLEY. NORMALLY DRY WASHES AND LOW WATER CROSSINGS MAY BE INUNDATED IN THE FOLLOWING LOCATIONS... TUCSON...ORO VALLEY...MARANA...GREEN VALLEY...SAHUARITA...FLOWING WELLS... KITT PEAK...DREXEL- ALVERNON...CASAS ADOBES...DREXEL HEIGHTS...TUCSON ESTATES...TORTOLITA...AVRA VALLEY...LITTLETOWN...VALENCIA WEST...THREE POINTS...EAST SAHUARITA...SUMMIT...TANQUE VERDE AND SOUTH TUCSON. PRECAUTIONARY/PREPAREDNESS ACTIONS... TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD DEATHS OCCUR IN VEHICLES. && LAT...LON 3250 11082 3174 11077 3173 11175 3250 11163 $$ KD
972 WGUS75 KTWC 091854 FFSTWC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 1154 AM MST TUE AUG 9 2016 AZC019-091901- /O.EXP.KTWC.FF.W.0024.000000T0000Z-160809T1900Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ PIMA- 1154 AM MST TUE AUG 9 2016 ...THE FLASH FLOOD WARNING FOR NORTHEASTERN PIMA COUNTY WILL EXPIRE AT NOON MST... THE HEAVY RAIN HAS ENDED IN NORTHEAST PIMA COUNTY. THE THREAT OF SIGNIFICANT FLOODING HAS ENDED ALTHOUGH SOME WASHES WILL CONTINUE TO EXPERIENCE ELEVATED FLOWS AND PONDING OF WATER IN POORLY DRAINED AREAS. PLEASE CONTINUE TO HEED ANY REMAINING ROAD CLOSURES. A SMALL STREAM FLOOD ADVISORY IS IN EFFECT UNTIL 145 PM MST. A FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 11 PM MST WEDNESDAY. LAT...LON 3250 11082 3174 11077 3173 11175 3250 11163 $$ KD
The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 9, 5:18 AM MST | Areal Flood Advisory | TWC | Cochise, Santa Cruz | 3 hr |
| Aug 9, 5:37 AM MST | Flash Flood Warning | TWC | Cochise, Santa Cruz | 113 min |
| Aug 9, 6:45 AM MST | Areal Flood Advisory | TWC | Pima, Santa Cruz | 3 hr |
| Aug 9, 6:45 AM MST | Flash Flood Warning | TWC | Pima, Santa Cruz | 2 hr |
| Aug 9, 7:46 AM MST | Flash Flood Warning | TWC | Pima, Santa Cruz | 5 hr |
| Aug 9, 8:13 AM MST | Areal Flood Advisory | TWC | Cochise, Santa Cruz | 2 hr |
| Aug 9, 8:30 AM MST | Areal Flood Advisory | TWC | Pima, Pinal | 4 hr |
| Aug 9, 11:50 AM MST | Areal Flood Advisory | TWC | Pima, Pinal | 115 min |
| Aug 9, 1:10 PM MST | Areal Flood Warning | TWC | Santa Cruz | 3 hr |
| Aug 9, 4:23 PM MST | Areal Flood Advisory | TWC | Cochise | 112 min |
Nearby
Flash Flood Warnings in Arizona, 2016Every flash flood warning in 2016
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.