Alert archive / Arizona / Flash Flood Warnings in 2016
Flash Flood Warning 28, NWS Tucson, AZ
NWS Tucson, AZ issued this flash flood warning at Aug 31, 2016, 5:09 PM MST for Cochise County, Arizona. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 31, 2016, 5:09 PM MST (00:09 UTC)
- Expired
- Aug 31, 2016, 7:15 PM MST
- In force
- 2 hr
- Issued by
- NWS Tucson, AZ
- Area
- Storm-based polygon
- Flood severity
- None
County Cochise County, AZ
The radar
The Tucson radar (KEMX), 79 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.
The nearest sounding before it
Tuscon, AZ (KDMA), launched 00:00Z, 0.2 hours before the alert went out and 117 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
- 206 J/kg
- Mixed-layer CIN
- -39 J/kg
- Mixed-layer LCL
- 2660 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 7 m²/s²
- 0-3 km storm-relative helicity
- -10 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
921 WGUS55 KTWC 010009 FFWTWC AZC003-010215- /O.NEW.KTWC.FF.W.0028.160901T0009Z-160901T0215Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE TUCSON AZ 509 PM MST WED AUG 31 2016 THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A * FLASH FLOOD WARNING FOR... SOUTH CENTRAL COCHISE COUNTY IN SOUTHEASTERN ARIZONA... * UNTIL 715 PM MST * AT 508 PM MST...DOPPLER RADAR INDICATED BETWEEN 0.75 AND 1.25 INCHES OF RAIN HAS FALLEN OVER BISBEE OVER THE PAST 30 MINUTES. THIS WILL CAUSE FLASH FLOODING OF ROADWAY DIPS AND NORMALLY DRY WASHES. AN AUTOMATED RAIN GAGE AT THE BISBEE TUNNEL REPORTED 1.22 INCHES IN ONLY 15 MINUTES WITH THIS STORM. * SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... BISBEE. PRECAUTIONARY/PREPAREDNESS ACTIONS... TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD DEATHS OCCUR IN VEHICLES. && LAT...LON 3162 10987 3144 10983 3140 10995 3159 11002 $$
2 follow-up statements
805 WGUS75 KTWC 010123 FFSTWC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 623 PM MST WED AUG 31 2016 AZC003-010215- /O.CON.KTWC.FF.W.0028.000000T0000Z-160901T0215Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ COCHISE- 623 PM MST WED AUG 31 2016 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 715 PM MST FOR SOUTH CENTRAL COCHISE COUNTY... AT 619 PM MST...RAINFALL WAS CONSIDERABLY WEAKER AROUND AND NORTHWEST OF THE BISBEE AREA. EXPECT HEAVY RUNOFF TO CONTINUE FROM EARLIER RAINFALL. THE GAUGE AT BISBEE TUNNEL RECORDED 1.93 INCHES, INCLUDING 1.27 INCHES IN THE FIRST 15 MINUTES OF THE STORM. NORMALLY DRY WASHES AND LOW WATER CROSSINGS MAY BE INUNDATED IN THE FOLLOWING LOCATIONS... BISBEE...AS WELL AS HIGHWAYS 80 AND 90 NORTHWEST OF BISBEE. PRECAUTIONARY/PREPAREDNESS ACTIONS... TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD DEATHS OCCUR IN VEHICLES. && LAT...LON 3162 10987 3144 10983 3140 10995 3159 11002 $$ MEYER
608 WGUS75 KTWC 010208 FFSTWC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 708 PM MST WED AUG 31 2016 AZC003-010215- /O.EXP.KTWC.FF.W.0028.000000T0000Z-160901T0215Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ COCHISE- 708 PM MST WED AUG 31 2016 ...THE FLASH FLOOD WARNING FOR SOUTH CENTRAL COCHISE COUNTY WILL EXPIRE AT 715 PM MST... THE HEAVY RAIN EARLIER HAS HAD AMPLE TIME TO DRAIN INTO NORMALLY DRY WASHES AND THE THREAT OF FLASH FLOODING HAS SUBSIDED. THEREFORE... THE FLASH FLOOD WARNING HAS BEEN ALLOWED TO EXPIRE AT 715 PM. PLEASE CONTINUE TO HEED ANY REMAINING ROAD CLOSURES AS SIGNIFICANT PONDING OF WATER IS LIKELY TO PERSIST INTO THE EVENING. LAT...LON 3162 10987 3144 10983 3140 10995 3159 11002 $$
The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 31, 5:28 PM MST | Areal Flood Advisory | TWC | Cochise | 2 hr |
| Sep 1, 11:58 AM MST | Special Weather Statement | TWC | Cochise | 32 min |
| Sep 1, 3:31 PM MST | Special Weather Statement | TWC | Graham | 44 min |
| Sep 1, 4:42 PM MST | Special Weather Statement | TWC | Pinal | 48 min |
Nearby
Flash Flood Warnings in Arizona, 2016Every flash flood warning in 2016
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.