Alert archive / Arizona / Flash Flood Warnings in 2011
Flash Flood Warning 42, NWS Tucson, AZ
NWS Tucson, AZ issued this flash flood warning at Aug 13, 2011, 5:07 PM MST for Cochise County, Arizona. It was in force for 83 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
- Aug 13, 2011, 5:07 PM MST (00:07 UTC)
- Expired
- Aug 13, 2011, 6:30 PM MST
- In force
- 83 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 00:10 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 13, 6:01 PM MST | FLASH FLOOD | 2 E Coronado National M, AZ | 1.03 INCHES IN LAST HOUR WITH FLASH FLOODING FROM MONUMENT BURN AREA ALONG MONTEZUMA CANYON RD. |
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 00:00Z, 0.1 hours before the alert went out and 101 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
- 727 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 2506 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 3 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.
200 WGUS55 KTWC 140007 FFWTWC AZC003-140130- /O.NEW.KTWC.FF.W.0042.110814T0007Z-110814T0130Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE TUCSON AZ 507 PM MST SAT AUG 13 2011 THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A * FLASH FLOOD WARNING FOR... SOUTHWESTERN COCHISE COUNTY IN SOUTHEAST ARIZONA... * UNTIL 630 PM MST * AT 500 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED AN AREA OF STRONG THUNDERSTORMS MOVING INTO THE HUACHUCA MOUNTAIN AND HEREFORD AREAS FROM THE SOUTH...INCLUDING THE MONUMENT BURN AREA. EXPECT RAINFALL AMOUNTS IN EXCESS OF 1 INCH IN SOME LOCATIONS TO GENERATE FLASH FLOODING IN AND AROUND THE HUACHUCA MOUNTAINS. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO RAMSEY CANYON PRESERVE...PARKER CANYON LAKE...NICKSVILLE AND HEREFORD PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES... CARR CANYON...MILLER CANYON...STUMP CANYON...HUNTER CANYON...BABOCOMARI RIVER AND ASH CANYON. EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF WASHES AND STREAMS...CANYONS...HIGHWAYS...AND STREETS AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS. && LAT...LON 3133 11046 3153 11046 3147 11014 3133 11015 $$ MEYER
2 follow-up statements
466 WGUS75 KTWC 140045 FFSTWC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 545 PM MST SAT AUG 13 2011 AZC003-140130- /O.CON.KTWC.FF.W.0042.000000T0000Z-110814T0130Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ COCHISE AZ- 545 PM MST SAT AUG 13 2011 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 630 PM MST FOR SOUTHWESTERN COCHISE COUNTY... AT 540 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE AN AREA OF THUNDERSTORMS PRODUCING LOCALLY HEAVY RAINFALL IN THE HUACHUCA MOUNTAIN AREA. ASH AND MILLER CANYON BASINS RECEIVED UP TO 1 INCH WITH HEAVIER AMOUNTS WEST NEAR PARKER CANYON LAKE. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO RAMSEY CANYON PRESERVE...PARKER CANYON LAKE...NICKSVILLE AND HEREFORD PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES... CARR CANYON...MILLER CANYON...STUMP CANYON...HUNTER CANYON...BABOCOMARI RIVER AND ASH CANYON. EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...CANYONS...HIGHWAYS AND ROADS. && LAT...LON 3133 11046 3153 11046 3147 11014 3133 11015 $$ MEYER
332 WGUS75 KTWC 140135 FFSTWC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 635 PM MST SAT AUG 13 2011 AZC003-140145- /O.EXP.KTWC.FF.W.0042.000000T0000Z-110814T0130Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ COCHISE AZ- 635 PM MST SAT AUG 13 2011 ...THE FLASH FLOOD WARNING HAS EXPIRED FOR SOUTHWESTERN COCHISE COUNTY... AT 630 PM MST ONLY LIGHT SHOWERS REMAINED OVER PORTIONS OF SOUTHWESTERN COCHISE COUNTY. LAT...LON 3133 11046 3153 11046 3147 11014 3133 11015 $$ MEYER
The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 13, 6:38 PM MST | Areal Flood Advisory | TWC | Santa Cruz | 112 min |
| Aug 13, 7:22 PM MST | Areal Flood Advisory | TWC | Graham, Pinal | 3 hr |
| Aug 14, 12:23 AM MST | Areal Flood Advisory | TWC | Pima | 3 hr |
| Aug 14, 1:30 AM MST | Areal Flood Advisory | TWC | Cochise | 2 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.