Alert archive / Arizona / Flash Flood Warnings in 2007
Flash Flood Warning 64, NWS Tucson, AZ
NWS Tucson, AZ issued this flash flood warning at Jul 28, 2007, 2:28 PM MST for Pima County, Pinal County, Arizona. It was in force for 2 hr. 4 reports 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
- Jul 28, 2007, 2:28 PM MST (21:28 UTC)
- Expired
- Jul 28, 2007, 4:45 PM MST
- In force
- 2 hr
- Issued by
- NWS Tucson, AZ
- Area
- Counties, with a storm outline in the text
- Flood severity
- None
Counties Pima County, AZ, Pinal County, AZ
The radar
The Tucson radar (KEMX), 46 km from the middle of the area, began a volume at 21:31 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 |
|---|---|---|---|
| Jul 28, 4:00 PM MST | FLASH FLOOD | 10 Ne Tucson, AZ | HIGH WATER ON ROADWAY AT SNYDER AND SABINO. |
| Jul 28, 4:00 PM MST | FLASH FLOOD | 7 Ne Tucson, AZ | SINKHOLE IN ROAD AT RIVER AND CRAYCROFT |
| Jul 28, 4:30 PM MST | FLASH FLOOD | Sabino Canyon, AZ | 4FT RISE IN 30 MINTUES ON SABINO CANYON AND SABINO DAM |
| Jul 28, 4:53 PM MST | FLASH FLOOD | Picture Rocks, AZ | VEHICLE STUCK IN BRAWLEY WASH AT MANVILLE ROAD AND AVRA ROAD. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Tuscon, AZ (KTUS), launched 12:00Z, 9.5 hours before the alert went out and 16 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
- 1095 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 803 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- 15 m²/s²
- 0-3 km storm-relative helicity
- 28 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 282131 FFWTWC AZC019-021-290045- /X.EXT.KTWC.FF.W.0023.000000T0000Z-070729T0045Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE TUCSON AZ 228 PM MST SAT JUL 28 2007 THE NATIONAL WEATHER SERVICE IN TUCSON HAS EXTENDED THE * FLASH FLOOD WARNING FOR... EASTERN PIMA COUNTY IN SOUTH CENTRAL ARIZONA... THIS INCLUDES THE CITIES OF...TUCSON...ORO VALLEY...MARANA...GREEN VALLEY... SOUTHEASTERN PINAL COUNTY IN SOUTH CENTRAL ARIZONA... * UNTIL 545 PM MST * AT 223 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED SEVERAL AREAS OF STRONG THUNDERSTORMS AND HEAVY SHOWERS CONTINUING ACROSS PORTIONS OF EASTERN PIMA AND FAR SOUTHEAST PINAL COUNTIES. IN ADDITION...EARLIER RAINFALL AMOUNTS BETWEEN 1 AND 3 INCHES WILL CONTINUE TO CAUSE HEAVY RUNOFF INTO THE EVENING HOURS. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO TUCSON...ORO VALLEY...THREE POINTS...GREEN VALLEY...SAN MANUEL...ORACLE AND MAMMOTH. EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF WASHES...SMALL STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS. THIS WARNING REPLACES THE PREVIOUSLY ISSUED FLASH FLOOD WARNING FOR THIS AREA. LAT...LON 3174 11145 3175 11047 3280 11047 3250 11143 $$ WEATHER.GOV/TUCSON
2 follow-up statements
000 WGUS75 KTWC 282233 FFSTWC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 327 PM MST SAT JUL 28 2007 AZC019-021-290045- /X.CON.KTWC.FF.W.0023.000000T0000Z-070729T0045Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ PIMA AZ-PINAL AZ- 327 PM MST SAT JUL 28 2007 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 545 PM MST FOR SOUTHEASTERN PINAL AND EASTERN PIMA COUNTIES... AT 325 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A LARGE AREA OF THUNDERSTORMS PRODUCING VERY HEAVY RAINFALL ACROSS MUCH OF EASTERN PIMA AND FAR SOUTHEAST PINAL COUNTIES. THE STRONGEST STORMS WERE NOTED ACROSS THE NORTHERN HALF OF TUCSON AS WELL AS THE AVRA VALLEY AREA AND BETWEEN SAHUARITA AND THREE POINTS. MOVEMENT WAS TO THE SOUTH AT ABOUT 10 MPH. SOME LOCATIONS HAVE REPORTED NEARLY 3 INCHES OF RAINFALL WITH AMOUNTS BETWEEN 1 AND 2 INCHES COMMON. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO TUCSON...SABINO CANYON...THREE POINTS...GREEN VALLEY...ORO VALLEY...MARANA...SILVER BELL...SAN MANUEL...ORACLE...MAMMOTH AND ESPECIALLY THE MOUNTAINS AND FOOTHILLS IN AND AROUND THE GREATER TUCSON AREA. EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF WASHES...SMALL CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS. LAT...LON 3174 11145 3175 11047 3280 11047 3247 11160 $$ WEATHER.GOV/TUCSON
000 WGUS75 KTWC 282328 FFSTWC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 418 PM MST SAT JUL 28 2007 AZC019-021-290045- /X.CON.KTWC.FF.W.0023.000000T0000Z-070729T0045Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ PIMA AZ-PINAL AZ- 418 PM MST SAT JUL 28 2007 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 545 PM MST FOR SOUTHEASTERN PINAL AND EASTERN PIMA COUNTIES... AT 415 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS INDICATING THAT THE THUNDERSTORMS PRODUCING VERY HEAVY RAIN HAD MOVED INTO CENTRAL PIMA COUNTY...WHICH INCLUDES THE TOHONO OODHAM NATION. HOWEVER...LIGHT TO MODERATE RAIN CONTINUES OVER MUCH OF EASTERN PIMA COUNTY INCLUDING THE TUCSON METRO AREA. EARLIER THIS AFTERNOON A TRAINED WEATHER SPOTTER REPORTED RECEIVING 3.5 INCHES OF RAIN NEAR THE INTERSECTION OF SABINO CANYON ROAD AND KOLB. FLOW IN THE SABINO CANYON AREA IS HIGH WITH THE GAUGE AT THE SABINO CANYON DAM INDICATING THAT THE FLOW IS ABOUT A FOOT ABOVE FLOOD STAGE. PROPERTY IN THIS AREA WILL LIKELY BE IMPACTED...AND PERSONS NEAR THE CANYON SHOULD EXPECT RAPID FLOW IN SABINO CANYON. OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO THE TUCSON METRO AREA...SAN MANUEL...ORO VALLEY...ORACLE...MARANA AND MAMMOTH. 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. 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 3174 11145 3175 11047 3280 11047 3247 11160 $$ WEATHER.GOV/TUCSON MOLLERE
The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 27, 5:33 PM MST | Flash Flood Warning | TWC | Cochise | 87 min |
| Jul 27, 6:27 PM MST | Flash Flood Warning | TWC | Pima | 93 min |
| Jul 27, 6:28 PM MST | Severe Thunderstorm Warning | TWC | Pima | 47 min |
| Jul 27, 6:57 PM MST | Areal Flood Advisory | TWC | Cochise | 63 min |
| Jul 27, 7:51 PM MST | Areal Flood Advisory | TWC | Cochise, Graham, Greenlee | 4 hr |
| Jul 28, 10:07 AM MST | Areal Flood Advisory | TWC | Cochise, Santa Cruz | 3 hr |
| Jul 28, 11:14 AM MST | Flash Flood Watch | TWC | 10 hr | |
| Jul 28, 11:38 AM MST | Flash Flood Warning | TWC | Cochise, Pima, Santa Cruz | 2 hr |
| Jul 28, 12:44 PM MST | Severe Thunderstorm Warning | TWC | Pima | 46 min |
| Jul 28, 12:50 PM MST | Flash Flood Warning | TWC | Pima | 5 hr |
| Jul 28, 1:27 PM MST | Severe Thunderstorm Warning | TWC | Pima | 46 min |
| Jul 28, 4:09 PM MST | Areal Flood Advisory | TWC | Pima, Pinal | 3 hr |
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.