Alert archive / Arizona / Flash Flood Warnings in 2011
Flash Flood Warning 73, NWS Tucson, AZ
NWS Tucson, AZ issued this flash flood warning at Oct 2, 2011, 1:22 PM MST for Cochise County, Arizona. It was in force for 113 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Oct 2, 2011, 1:22 PM MST (20:22 UTC)
- Expired
- Oct 2, 2011, 3:15 PM MST
- In force
- 113 min
- Issued by
- NWS Tucson, AZ
- Area
- Storm-based polygon
- Flood severity
- None
County Cochise County, AZ
The radar
The Tucson radar (KEMX), 136 km from the middle of the area, began a volume at 20:24 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.
The nearest sounding before it
Tuscon, AZ (KTUS), launched 12:00Z, 8.4 hours before the alert went out and 163 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
- 191 J/kg
- Mixed-layer CIN
- -206 J/kg
- Mixed-layer LCL
- 2129 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- -3 m²/s²
- 0-3 km storm-relative helicity
- 55 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
632 WGUS55 KTWC 022022 FFWTWC AZC003-022215- /O.NEW.KTWC.FF.W.0073.111002T2022Z-111002T2215Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE TUCSON AZ 122 PM MST SUN OCT 2 2011 THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A * FLASH FLOOD WARNING FOR... EAST CENTRAL COCHISE COUNTY IN SOUTHEAST ARIZONA... * UNTIL 315 PM MST * AT 112 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED FLASH FLOODING FROM A THUNDERSTORM OVER THE WARNED AREA. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO PORTAL AND PARADISE PRECAUTIONARY/PREPAREDNESS ACTIONS... THUNDERSTORMS WERE PRODUCING HEAVY RAINFALL OVER THE HORSESHOE FIRE BURN AREA OVER THE CHIRICAHUA MOUNTAINS JUST WEST OF PORTAL. SPOTTERS HAVE REPORTED TURKEY CREEK FLOWING OUT OF ITS BANKS. RAINFALL AMOUNTS UP TO 1.00 INCHES PER HOUR WILL OCCUR WITH THESE STORMS. IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS FLOODED ROADS. FIND ALTERNATE ROUTES. IT TAKES ONLY A FEW INCHES OF SWIFTLY FLOWING WATER TO CARRY VEHICLES AWAY. && LAT...LON 3208 10927 3208 10906 3182 10906 3183 10929 $$ CS
1 follow-up statement
977 WGUS75 KTWC 022216 FFSTWC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 316 PM MST SUN OCT 2 2011 AZC003-022226- /O.EXP.KTWC.FF.W.0073.000000T0000Z-111002T2215Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ COCHISE AZ- 316 PM MST SUN OCT 2 2011 ...THE FLASH FLOOD WARNING HAS EXPIRED FOR EAST CENTRAL COCHISE COUNTY... LAT...LON 3208 10927 3208 10906 3182 10906 3183 10929 $$ CS
The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 2, 12:40 PM MST | Special Weather Statement | TWC | Cochise | 50 min |
| Oct 2, 12:50 PM MST | Special Weather Statement | TWC | Cochise | 40 min |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.