Alert archive / Arizona / Flash Flood Warnings in 2011
Flash Flood Warning 13, NWS Tucson, AZ
NWS Tucson, AZ issued this flash flood warning at Jul 10, 2011, 2:03 PM MST for Cochise County, Arizona. It was in force for 117 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 10, 2011, 2:03 PM MST (21:03 UTC)
- Expired
- Jul 10, 2011, 4:00 PM MST
- In force
- 117 min
- Issued by
- NWS Tucson, AZ
- Area
- Storm-based polygon
- Flood severity
- None
County Cochise County, AZ
The radar
The Tucson radar (KEMX), 59 km from the middle of the area, began a volume at 21:04 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 10, 3:12 PM MST | FLASH FLOOD | 1 S Nicksville, AZ | WALL OF WATER IN MILLER CANYON. SIGNIFICANT FLOODING ON HIGHWAY 92 AND CIRCLE S. RESIDENTS TRAPPED IN HOMES. |
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, 9.1 hours before the alert went out and 99 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
- 105 J/kg
- Mixed-layer CIN
- -237 J/kg
- Mixed-layer LCL
- 1938 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- 46 m²/s²
- 0-3 km storm-relative helicity
- 58 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
039 WGUS55 KTWC 102103 FFWTWC AZC003-102300- /O.NEW.KTWC.FF.W.0013.110710T2103Z-110710T2300Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE TUCSON AZ 203 PM MST SUN JUL 10 2011 THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A * FLASH FLOOD WARNING FOR... SOUTHWESTERN COCHISE COUNTY IN SOUTHEAST ARIZONA... * UNTIL 400 PM MST * AT 155 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED FLASH FLOODING FROM A THUNDERSTORM OVER AND DOWNSTREAM FROM THE MONUMENT FIRE BURN AREA ON THE SOUTHERN HUACHUCA MOUNTAINS. EXPECT FLASH FLOODING AND DEBRIS TO MOVE DOWNSTREAM FROM THE HEAVILY BURNED AREAS OF THE MONUMENT FIRE. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO RAMSEY CANYON PRESERVE...STUMP CANYON...CARR CANYON AND NICKSVILLE PRECAUTIONARY/PREPAREDNESS ACTIONS... ADDITIONAL RAINFALL AMOUNTS OF ONE TO LOCALLY TWO INCHES ARE POSSIBLE IN THE WARNED AREA. 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 3151 11038 3149 11024 3134 11020 3134 11035 $$ GL
4 follow-up statements
071 WGUS75 KTWC 102128 FFSTWC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 228 PM MST SUN JUL 10 2011 AZC003-102300- /O.CON.KTWC.FF.W.0013.000000T0000Z-110710T2300Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ COCHISE AZ- 228 PM MST SUN JUL 10 2011 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 400 PM MST FOR SOUTHWESTERN COCHISE COUNTY... AT 218 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A THUNDERSTORM PRODUCING FLASH FLOODING OVER THE SOUTHERN HUACHUCA MOUNTAINS INCLUDING THE MONUMENT FIRE BURN AREA. AN AUTOMATED RAINFALL GAUGE IN MILLER CANYON HAS RECORDED OVER ONE INCH OF RAINFALL IN 20 MINUTES. AN ADDITIONAL ONE INCH OF RAINFALL IS EXPECTED WITH THIS STORM WITH LOCALLY HIGHER AMOUNTS POSSIBLE. THIS HEAVY RAINFALL IN A SHORT PERIOD WILL CAUSE FLASH FLOODING DOWNSTREAM FROM THE MONUMENT FIRE BURN AREA WITH DEBRIS EXPECTED. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO RAMSEY CANYON PRESERVE...CARR CANYON...MILLER CANYON...STUMP CANYON AND NICKSVILLE LAT...LON 3151 11038 3149 11024 3134 11020 3134 11035 $$ GL
052 WGUS75 KTWC 102157 FFSTWC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 257 PM MST SUN JUL 10 2011 AZC003-102300- /O.CON.KTWC.FF.W.0013.000000T0000Z-110710T2300Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ COCHISE AZ- 257 PM MST SUN JUL 10 2011 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 400 PM MST FOR SOUTHWESTERN COCHISE COUNTY... AT 250 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A THUNDERSTORM PRODUCING FLASH FLOODING OVER THE SOUTHERN HUACHUCA MOUNTAINS INCLUDING THE MONUMENT FIRE BURN AREA. THIS THUNDERSTORM HAS STARTED TO WEAKEN AND PUSH NORTHWARD...HOWEVER AN AUTOMATED RAINFALL GAUGE IN MILLER CANYON HAS RECORDED 1.61 INCHES OF RAINFALL IN THE LAST HOUR. BASED ON DOPPLER RADAR ESTIMATES...A WIDESPREAD ONE TO TWO INCHES OF RAINFALL HAS FALLEN OVER THE MONUMENT FIRE BURN AREA IN THE HUACHUCA MOUNTAINS. THIS EXCESSIVE RAINFALL IN A SHORT PERIOD OF TIME WILL CAUSE FLASH FLOODING DOWNSTREAM FROM THE MONUMENT FIRE BURN AREA WITH DEBRIS EXPECTED. MOTORISTS ALONG HIGHWAY 92 SHOULD EXERCISE CAUTION AT EACH OF THE WASHES THAT COME OUT FROM THE HUACHUCA MOUNTAINS INCLUDING MILLER CANYON. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO RAMSEY CANYON PRESERVE...CARR CANYON...MILLER CANYON...STUMP CANYON AND NICKSVILLE PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && LAT...LON 3151 11038 3149 11024 3134 11020 3134 11035 $$ GL
298 WGUS75 KTWC 102222 FFSTWC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 322 PM MST SUN JUL 10 2011 AZC003-102300- /O.CON.KTWC.FF.W.0013.000000T0000Z-110710T2300Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ COCHISE AZ- 322 PM MST SUN JUL 10 2011 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 400 PM MST FOR SOUTHWESTERN COCHISE COUNTY... AT 313 PM MST...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED A THUNDERSTORM PRODUCING FLASH FLOODING OVER THE WARNED AREA. FLASH FLOODING HAS BEEN REPORTED COMING OUT OF THE MILLER CANYON AREA DOWNSTREAM NEAR HIGHWAY 92. ONE TO TWO INCHES OF RAINFALL HAS OCCURRED IN THE SOUTHERN HUACHUCA MOUNTAINS AND WILL CONTINUE TO FLOW DOWNSTREAM OUT FROM THE MONUMENT FIRE BURN AREA. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MILLER CANYON...CARR CANYON...RAMSEY CANYON PRESERVE AND NICKSVILLE PRECAUTIONARY/PREPAREDNESS ACTIONS... FLOODING IS OCCURRING OR IS IMMINENT. IT IS IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...RIVERS...OR CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS. CAMPERS AND HIKERS SHOULD AVOID STREAMS OR CREEKS. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY AUTOMOBILE. && LAT...LON 3151 11038 3149 11024 3134 11020 3134 11035 $$ GL
828 WGUS75 KTWC 102256 FFSTWC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 356 PM MST SUN JUL 10 2011 AZC003-102301- /O.EXP.KTWC.FF.W.0013.000000T0000Z-110710T2300Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ COCHISE AZ- 356 PM MST SUN JUL 10 2011 ...THE FLASH FLOOD WARNING WILL EXPIRE AT 400 PM MST FOR SOUTHWESTERN COCHISE COUNTY... HEAVY RAINFALL HAS BEEN OVER FOR AN HOUR NOW ACROSS THE SOUTHERN HUACHUCA MOUNTAINS. THIS HEAVY RAINFALL RESULTED IN FLASH FLOODING DOWNSTREAM FROM THE MONUMENT FIRE BURN AREA. WATER LEVELS ARE NOW RECEDING ACROSS THE AREA...THUS THE FLASH FLOOD WARNING HAS BEEN ALLOWED TO EXPIRE. LAT...LON 3151 11038 3149 11024 3134 11020 3134 11035 $$ GL
The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 9, 5:00 PM MST | Areal Flood Advisory | TWC | Pima, Pinal | 2 hr |
| Jul 9, 5:23 PM MST | Flash Flood Warning | TWC | Pima, Pinal | 112 min |
| Jul 9, 6:10 PM MST | Areal Flood Advisory | TWC | Cochise | 110 min |
| Jul 9, 7:15 PM MST | Flash Flood Warning | TWC | Pima | 2 hr |
| Jul 9, 7:21 PM MST | Severe Thunderstorm Warning | TWC | Pima | 54 min |
| Jul 9, 7:30 PM MST | Areal Flood Advisory | TWC | Pima | 3 hr |
| Jul 10, 12:08 AM MST | Areal Flood Advisory | TWC | Pima | 3 hr |
| Jul 10, 12:37 PM MST | Special Weather Statement | TWC | 38 min | |
| Jul 10, 1:11 PM MST | Areal Flood Advisory | TWC | Pima, Santa Cruz | 5 hr |
Nearby
Flash Flood Warnings in Arizona, 2011Every flash flood warning in 2011
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.