Alert archive / Arizona / Flash Flood Warnings in 2015
Flash Flood Warning 28, NWS Tucson, AZ
NWS Tucson, AZ issued this flash flood warning at Aug 8, 2015, 5:15 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 8, 2015, 5:15 PM MST (00:15 UTC)
- Expired
- Aug 8, 2015, 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), 56 km from the middle of the area, began a volume at 00:18 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, 0.3 hours before the alert went out and 96 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 0 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 11 m²/s²
- 0-3 km storm-relative helicity
- 54 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
284
WGUS55 KTWC 090015
FFWTWC
AZC003-090215-
/O.NEW.KTWC.FF.W.0028.150809T0015Z-150809T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TUCSON AZ
515 PM MST SAT AUG 8 2015
THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHWESTERN COCHISE COUNTY IN SOUTHEASTERN ARIZONA...
* UNTIL 715 PM MST
* AT 510 PM MST...WEATHER RADAR AND TRAINED WEATHER SPOTTER REPORTS
INDICATED HEAVY RAIN HAS FALLEN SOUTH OF SIERRA VISTA. A TRAINED
WEATHER SPOTTER IN NICKSVILLE REPORTED 1.56 INCHES OF RAIN HAD
FALLEN IN THE PAST HOUR. THIS MATCHES RADAR ESTIMATES OF 1 TO 2
INCHES OF RAIN IN THIS AREA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF WASHES
AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES AS
WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.
&&
LAT...LON 3158 11021 3146 11015 3139 11034 3148 11037
$$2 follow-up statements
315 WGUS75 KTWC 090102 FFSTWC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 602 PM MST SAT AUG 8 2015 AZC003-090215- /O.CON.KTWC.FF.W.0028.000000T0000Z-150809T0215Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ COCHISE AZ- 602 PM MST SAT AUG 8 2015 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 715 PM MST FOR SOUTHWESTERN COCHISE COUNTY... AT 555 PM MST...ALTHOUGH STORMS THAT PRODUCED HEAVY RAINFALL HAVE TAPERED OFF...BETWEEN 1 AND 2 INCHES OF RAINFALL HAD FALLEN NEAR NICKSVILLE...SOUTH OF SIERRA VISTA. RADAR ESTIMATES THAT THE HEAVIEST RAINFALL OCCURRED ALONG HIGHWAY 92 BETWEEN BUFFALO SOLDIER TRAIL AND HEREFORD ROAD. SIGNIFICANT RAINFALL RUNOFF WILL RESULT IN FLASH FLOODING IN NORMALLY DRY WASHES...ROADWAY DIPS AND OTHER LOW LYING AREAS. PRECAUTIONARY/PREPAREDNESS ACTIONS... TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD DEATHS OCCUR IN VEHICLES. && LAT...LON 3158 11021 3146 11015 3139 11034 3148 11037 $$
197 WGUS75 KTWC 090223 FFSTWC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 723 PM MST SAT AUG 8 2015 AZC003-090232- /O.EXP.KTWC.FF.W.0028.000000T0000Z-150809T0215Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ COCHISE AZ- 723 PM MST SAT AUG 8 2015 ...THE FLASH FLOOD WARNING FOR SOUTHWESTERN COCHISE COUNTY HAS EXPIRED... ALTHOUGH WATER WILL CONTINUE TO DRAIN AROUND NICKSVILLE...FLOODING IS NO LONGER EXPECTED TO POSE A THREAT. LAT...LON 3158 11021 3146 11015 3139 11034 3148 11037 $$
The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 8, 5:44 PM MST | Special Weather Statement | TWC | 31 min | |
| Aug 8, 6:51 PM MST | Special Weather Statement | TWC | Pinal | 39 min |
| Aug 9, 1:53 PM MST | Areal Flood Advisory | TWC | Cochise, Pima, Santa Cruz | 112 min |
| Aug 9, 3:32 PM MST | Areal Flood Advisory | TWC | Cochise | 118 min |
| Aug 9, 3:46 PM MST | Special Weather Statement | TWC | 29 min | |
| Aug 9, 3:53 PM MST | Special Weather Statement | TWC | Cochise | 22 min |
| Aug 9, 4:28 PM MST | Special Weather Statement | TWC | Cochise | 47 min |
| Aug 9, 4:55 PM MST | Areal Flood Advisory | TWC | Pima | 3 hr |
Nearby
Flash Flood Warnings in Arizona, 2015Every flash flood warning in 2015
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.