Alert archive / Arizona / Flash Flood Warnings in 1996
Flash Flood Warning 17, NWS Tucson, AZ
NWS Tucson, AZ issued this flash flood warning at Jul 8, 1996, 7:01 PM MST for Pinal County, Arizona. It was in force for 59 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 8, 1996, 7:01 PM MST (02:01 UTC)
- Expired
- Jul 8, 1996, 8:00 PM MST
- In force
- 59 min
- Issued by
- NWS Tucson, AZ
- Area
- Whole counties
County Pinal County, AZ
The radar
The Phoenix radar (KIWA), 52 km from the middle of the area, began a volume at 02:03 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 00:00Z, 2.0 hours before the alert went out and 92 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
- 1063 J/kg
- Mixed-layer CIN
- -92 J/kg
- Mixed-layer LCL
- 2192 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- 32 m²/s²
- 0-3 km storm-relative helicity
- 97 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KTUS 090201 FFWTUS AZC021-090300- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE TUCSON ARIZONA 701 PM MST MON JUL 8 1996 THE NATIONAL WEATHER SERVICE IN TUCSON ARIZONA HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 800 PM MST FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTH CENTRAL ARIZONA ...SOUTHERN PINAL COUNTY AT 655 PM TUCSON DOPPLER RADAR INDICATED HEAVY RAINS FROM THUNDERSTORMS CONTINUING IN SOUTHERN PINAL COUNTY. THE HEAVIEST RAINS WERE LOCATED FROM 10 MILES EAST OF PICACHO PEAK AND INTERSTATE 10...EASTWARD TO HIGHWAY 79...AND EASTWARD TO 5 MILES SOUTHEAST OF MAMMOTH. SOME LOCATIONS HAVE RECEIVED AS MUCH AS 2-3 INCHES OF RAIN...WITH HEAVY RAIN CONTINUING. THEREFORE...THE FLASH FLOOD WARNING HAS BEEN EXTENDED UNTIL 800 PM MST. THE THUNDERSTORMS GENERATING THE HEAVY RAINS HAVE DECREASED IN INTENSITY AND NO LONGER APPEARED TO BE AT SEVERE LEVELS...SO THE SEVERE THUNDERSTORM WARNING FOR SOU@THERN PINAL COUNTY WAS ALLOWED TO EXPIRE AT 700 PM. MEYER
What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Tucson, AZ wrote its last area forecast discussion before this flash flood warning went out at Jul 8, 2:18 PM MST, 4 hours 43 minutes earlier.
Area forecast discussion, Jul 8, 2:18 PM MST, 4 hours 43 minutes before
SOUTHEAST ARIZONA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TUCSON AZ 200 PM MST MON JUL 8 1996 DEWPOINT HOLDING AT 60 AND HEAVY RAIN PRODUCERS NOW OVR MTNS...SO JUST A MATTER OF TIME BEFORE STORMS MOVE INTO VALLEYS. BEST STORMS UP IN ZONE 25 AND WEST OF FHU...WITH CELL MOTION NWLY. CAPE NOW 1100 SO SOME STORMS MAY ALSO GO SEVERE IN ADDITION TO FLASH FLOODING. STORMS MAY PUSH WELL OUT IN VALLEY...POSSIBLY TO PHX BY LATE TONIGHT. STILL HAVE NOT SEEN ANY SIG ORGANIZATION TO THIS YET. COUNTING ON SIG EVENT TODAY HAVE LOWERED POPS FOR TUE...ALTHOUGH THIS MAY NOT HOLD TRUE WITH ALL THE DYNAMICS ALSO AVAILABLE. TUS 5333 TUS...FLASH FLOOD WATCH ZONES 21-26 TIL 1000 PM MST. HOLBROOK
In the hours before
Local storm report, Jul 8, 4:52 PM MST, 2 hours 9 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TUCSON
455 PM MST MON JUL 8 1996
TIME(MST) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
404 PM TUCSON AZ 82 MPH WIND MEASURED
PIMA AT DAVIS MONTHAN
AIR FORCE BASE
615 PM 5-10 SOUTH SIERRA VISTA AZ FLASH FLOODING WASHED
COCHISE OUT NUMEROUS ROADS INCLUDING
G PART OF HEREFORD ROAD.
BOULDERS REPORTED AS LARGE AS U
CARS ON JHEREFORD ROAD. WATER
LINES WASHED OUT.Local storm report, Jul 8, 4:53 PM MST, 2 hours 8 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TUCSON
455 PM MST MON JUL 8 1996
TIME(MST) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
404 PM L TUCSON AZ 82 MPH WIND MEASURED
PIMA AT DAVIS MONTHAN
AIR FORCE BASELocal storm report, Jul 8, 5:07 PM MST, 1 hour 54 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TUCSON
410 PM MST MON JUL 8 1996
TIME(MST) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
404 PM TUCSON AZ 82 MPH WIND MEASURED
PIMA AT DAVIS MONTHAN
AIR FORCE BASE
APPROX TUCSON AZ TRAILER PARK DAMAGED
415 PM PIMA r ROOFS BLOWN OFF TRAILERS
AND WINDOWS BLOWN OUTThe office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 8, 5:39 PM MST | Flash Flood Warning | TWC | Cochise | 66 min |
| Jul 8, 5:39 PM MST | Severe Thunderstorm Warning | TWC | Cochise | 66 min |
| Jul 8, 6:03 PM MST | Flash Flood Warning | TWC | Pinal | 57 min |
| Jul 8, 6:03 PM MST | Severe Thunderstorm Warning | TWC | Pinal | 57 min |
| Jul 9, 12:25 AM MST | Flash Flood Warning | TWC | Pima | 50 min |
| Jul 9, 12:25 AM MST | Severe Thunderstorm Warning | TWC | Pima | 50 min |
Nearby
Flash Flood Warnings in Arizona, 1996Every flash flood warning in 1996
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.