Alert archive / Arizona / Flash Flood Warnings in 2012
Flash Flood Warning 6, NWS Tucson, AZ
NWS Tucson, AZ issued this flash flood warning at Jul 5, 2012, 3:58 PM MST for Cochise County, Arizona. It was in force for 92 min. 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
- Jul 5, 2012, 3:58 PM MST (22:58 UTC)
- Expired
- Jul 5, 2012, 5:30 PM MST
- In force
- 92 min
- Issued by
- NWS Tucson, AZ
- Area
- Storm-based polygon
- Flood severity
- None
County Cochise County, AZ
The radar
The Tucson radar (KEMX), 62 km from the middle of the area, began a volume at 22:59 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 5, 4:59 PM MST | FLASH FLOOD | 3 Nne Coronado National, AZ | PRINCE PLACER ROAD ON THE SOUTHERN END OF ASH CANYON HAD WATER RUSHING OVER IT BUT IT WAS STILL PASSABLE FOR LARGE VEHICLES. |
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, 11.0 hours before the alert went out and 102 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
- 552 J/kg
- Mixed-layer CIN
- -60 J/kg
- Mixed-layer LCL
- 942 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 11 m²/s²
- 0-3 km storm-relative helicity
- 30 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
685 WGUS55 KTWC 052258 FFWTWC AZC003-060030- /O.NEW.KTWC.FF.W.0006.120705T2258Z-120706T0030Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE TUCSON AZ 358 PM MST THU JUL 5 2012 THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A * FLASH FLOOD WARNING FOR... SOUTHWESTERN COCHISE COUNTY IN SOUTHEAST ARIZONA... * UNTIL 530 PM MST * AT 349 PM MST...SHOWERS AND THUNDERSTORMS CONTINUED TO PRODUCE HEAVY RAINFALL ACROSS THE MONUMENT FIRE BURN AREA OF LAST YEAR. FLOODING WAS ALREADY REPORTED NEAR ASH CANYON WHERE UP TO .66 OF AN INCH HAD FALLEN IN ONE HOUR. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ASH CANYON...MILLER AND CARR CANYONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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 3147 11035 3148 11019 3133 11018 3133 11037 $$ !
3 follow-up statements
871 WGUS75 KTWC 052321 FFSTWC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 421 PM MST THU JUL 5 2012 AZC003-060030- /O.CON.KTWC.FF.W.0006.000000T0000Z-120706T0030Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ COCHISE AZ- 421 PM MST THU JUL 5 2012 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 530 PM MST FOR SOUTHWESTERN COCHISE COUNTY... AT 408 PM MST...SCATTERED SHOWERS AND A FEW THUNDERSTORMS WITH MODERATE RAINFALL CONTINUED ACROSS PARTS OF THE MONUMENT FIRE BURN AREA. RADAR DERIVED RAINFALL AMOUNTS INDICATED THAT UP TO ONE INCH OF RAIN HAD FALLEN IN SPOTS IN A ONE HOUR PERIOD. RUNOFF FROM THIS RAINFALL HAD BEEN REPORTED IN ASH CANYON ALREADY. ANOTHER BATCH OF HEAVY RAINFALL LOCATED TO THE WEST OF THE BURN AREA WILL PASS THROUGH DURING THE NEXT HOUR...LIKELY CAUSING ADDITIONAL FLASH FLOODING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY AUTOMOBILE. && LAT...LON 3147 11035 3148 11019 3133 11018 3133 11037 $$
197 WGUS75 KTWC 060001 FFSTWC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 501 PM MST THU JUL 5 2012 AZC003-060030- /O.CON.KTWC.FF.W.0006.000000T0000Z-120706T0030Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ COCHISE AZ- 501 PM MST THU JUL 5 2012 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 530 PM MST FOR SOUTHWESTERN COCHISE COUNTY... AT 450 PM MST...RADAR CONTINUED TO SHOW SCATTERED SHOWERS AND A FEW THUNDERSTORMS ACROSS THE MONUMENT FIRE BURN AREA. DURING THE PAST 30 MINUTES....RAINFALL INTENSITY HAD DIMINISHED BUT A FEW SPOTS OF MODERATE RAINFALL WERE STILL BEING DETECTED BY RADAR. EXPECT RUNOFF INTO STREAMS AND CREEKS IN THE AREA TO CONTINUE FOR THE NEXT HOUR THROUGH 530 PM MST. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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 3147 11035 3148 11019 3133 11018 3133 11037 $$
284 WGUS75 KTWC 060029 FFSTWC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 529 PM MST THU JUL 5 2012 AZC003-060037- /O.EXP.KTWC.FF.W.0006.000000T0000Z-120706T0030Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ COCHISE AZ- 529 PM MST THU JUL 5 2012 ...THE FLASH FLOOD WARNING WILL EXPIRE AT 530 PM MST FOR SOUTHWESTERN COCHISE COUNTY... HEAVY RAINFALL HAD ENDED ACROSS THE BURN AREA BUT RUNOFF WILL LIKELY CONTINUE TO PRODUCE ELEVATED FLOWS IN AREA CREEKS AND SMALL STREAMS. THEREFORE...A SMALL STREAM FLOOD ADVISORY HAS BEEN POSTED FOR THE SAME AREA UNTIL 715 PM MST. LAT...LON 3147 11035 3148 11019 3133 11018 3133 11037 $$
Nearby
Flash Flood Warnings in Arizona, 2012Every flash flood warning in 2012
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.