Alert archive / Arizona / Flash Flood Warnings in 1996
Flash Flood Warning 2, NWS Tucson, AZ
NWS Tucson, AZ issued this flash flood warning at Jul 6, 1996, 5:58 PM MST for Cochise County, Arizona. It was in force for 62 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 6, 1996, 5:58 PM MST (00:58 UTC)
- Expired
- Jul 6, 1996, 7:00 PM MST
- In force
- 62 min
- Issued by
- NWS Tucson, AZ
- Area
- Whole counties
County Cochise County, AZ
The radar
The Tucson radar (KEMX), 83 km from the middle of the area, began a volume at 01:00 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, 1.0 hours before the alert went out and 113 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
- 478 J/kg
- Mixed-layer CIN
- -56 J/kg
- Mixed-layer LCL
- 3390 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- -20 m²/s²
- 0-3 km storm-relative helicity
- 34 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KTUS 070101 COR FFWTUS AZC003-070200- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE TUCSON ARIZONA 558 PM MST SAT JUL 6 1996 THE NATIONAL WEATHER SERVICE IN TUCSON ARIZONA HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 700 PM MST FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHEAST ARIZONA ...SOUTHWESTERN COCHISE COUNTY AT 555 PM TUCSON DOPPLER RADAR INDICATED RAINFALL RATES NEAR 2 INCHES PER HOUR IN SOUTHWESTERN COCHISE COUNTY NEAR THE HUACHUCA MTS AND SIERRA VISTA. MOST DEATHS IN FLASH FLOODING OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT. 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 6, 2:22 PM MST, 3 hours 36 minutes earlier.
Area forecast discussion, Jul 6, 2:22 PM MST, 3 hours 36 minutes before
SOUTHEAST ARIZONA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TUCSON AZ 220 PM MST SAT JUL 6 1996 ECHOS POPD IN ZN 25 AS EARLY AS 17Z THIS MRNG WITH .5 INCH HAIL BY 18Z. LTL CHG IN SYNOPTIC PATTERN. UPR HI REMAINS OVR AZ/NM AREA WITH ELY FLOW AT H5. MODELS SHOWG UPR WV MOVG WWD ACRS MEXICO TO SRN BAJA AREA. IF THIS INCRS CLD CVR OVR SRN GLF CA...MAY BRING BACK GLF SURGE TYPE MSTR INFLUX. ON SUN... MODELS TRYG TO INCR LOW LVL CONVERGENCE OVR S|IERRA MADRES. MON...AVN KEEPING 80-90 PCT RH AT H5 OVR ZN25. WILL GO WITH SCT TSTMS IN FAR ERN ZNS. ALSO HGTS AND THKN DOWN A BIT. ALL MOS GUIDANCE INCRG CLDS AND DROPPING MAX TEMPS 2-6 DEGREES. WILL GO ALONG WITH THIS.
The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 6, 5:03 PM MST | Severe Thunderstorm Warning | TWC | Cochise | 42 min |
| Jul 6, 5:50 PM MST | Severe Thunderstorm Warning | TWC | Cochise, Pima, Santa Cruz | 40 min |
| Jul 6, 6:36 PM MST | Flash Flood Warning | TWC | Pima | 54 min |
| Jul 6, 6:36 PM MST | Severe Thunderstorm Warning | TWC | Pima | 54 min |
| Jul 6, 7:43 PM MST | Flash Flood Warning | TWC | Pima | 92 min |
| Jul 7, 3:30 PM MST | Severe Thunderstorm Warning | TWC | Santa Cruz | 30 min |
| Jul 7, 4:42 PM MST | Flash Flood Warning | TWC | Pima | 48 min |
| Jul 7, 4:42 PM MST | Severe Thunderstorm Warning | TWC | Pima | 48 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.