Alert archive / Arizona / Flash Flood Warnings in 1996
Flash Flood Warning 52, NWS Tucson, AZ
NWS Tucson, AZ issued this flash flood warning at Aug 14, 1996, 7:25 PM MST for Pima County, Arizona. It was in force for 95 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
- Aug 14, 1996, 7:25 PM MST (02:25 UTC)
- Expired
- Aug 14, 1996, 9:00 PM MST
- In force
- 95 min
- Issued by
- NWS Tucson, AZ
- Area
- Whole counties
County Pima County, AZ
The radar
The Tucson radar (KEMX), 112 km from the middle of the area, began a volume at 02:28 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, 2.4 hours before the alert went out and 84 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
- 1143 J/kg
- Mixed-layer CIN
- -18 J/kg
- Mixed-layer LCL
- 2818 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 26 m²/s²
- 0-3 km storm-relative helicity
- 135 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KTUS 150227 FFWTUS AZC019-150330- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM AND FLASH FLOOD WARNING NATIONAL WEATHER SERVICE TUCSON ARIZONA 725 PM MST WED AUG 14 1996 THE NATIONAL WEATHER SERVICE IN TUCSON ARIZONA HAS ISSUED A SEVERE THUNDERSTORM AND FLASH FLOOD WARNING EFFECTIVE UNTIL 900 PM MST FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTH CENTRAL ARIZONA ...WESTERN PIMA COUNTY AT 722 PM TUCSON DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS ABOUT 25 MILES EAST OF AJO IN WESTERN PIMA COUNTY. MOVEMENT WAS TO THE WEST AT 15 TO 20 MPH. TOWNS EXPECTED TO BE AFFECTED BY THESE STORMS INCLUDE WHY AND AJO. EXPECT DAMAGING WINDS...LARGE HAIL...FREQUENT LIGHTNING AND VERY AHEAVY RAIN WITH THESE STORMS. 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 Aug 14, 2:30 PM MST, 4 hours 55 minutes earlier.
Area forecast discussion, Aug 14, 2:30 PM MST, 4 hours 55 minutes before
SOUTHEAST ARIZONA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TUCSON AZ 220 PM MST WED AUG 14 1996 SPECIAL 19Z TUS SOUNDG CONFIRMS SVR POTENTIAL FOR TDA/TGNT. LOADED GUN TYPE WITH WELL MIXED LOW LVL MSTR AND CAP AT 800 MB. CONVECTIVE TEMP ARND 99-100...WITH CLEAR SKIES SHLD BE ABLE TO REACH THIS. STEERING WINDS AT H5/H4 ELY 10-15 KTS TO HELP PUSH MT TSTMS INTO THE VALLEYS. NWLY WINDS AT UPR LVLS PUSHG ANVILS OFF TO SE. BEEFED UP POPS AND MENTIONED PSLB SVR LVLS TGNT. THU/FRI...MODELS DRIFT UPR HI ARND NRN AZ THRU FCST PD...SO LTL CHG IN BIG SCALE FEATURES. WILL KEEP SCT IN ERN...AND WDLY SCT IN WRN ZNS BOTH DAYS. TEMPS WILL BE DIFFICULT TGNT AND THU. IF WE GET A PERSISTENT CLD SHXIELD LASTING OVRNGT INTO THE MRNG MAX TEMPS MAY BE WAY DOWN. SWING SHIFT MAY NEED TO ADJUST SOME TEMPS. TUS 4232
The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 14, 5:09 PM MST | Tornado Warning | TWC | Pima | 36 min |
| Aug 14, 5:17 PM MST | Tornado Warning | TWC | Pima | 28 min |
| Aug 14, 5:20 PM MST | Flash Flood Warning | TWC | Pima | 115 min |
| Aug 14, 5:31 PM MST | Severe Thunderstorm Warning | TWC | Pima | 59 min |
| Aug 14, 5:44 PM MST | Severe Thunderstorm Warning | TWC | Pinal | 61 min |
| Aug 14, 6:20 PM MST | Severe Thunderstorm Warning | TWC | Pima, Pinal | 55 min |
| Aug 14, 6:36 PM MST | Flash Flood Warning | TWC | Pima, Pinal | 69 min |
| Aug 14, 7:00 PM MST | Flash Flood Warning | TWC | Pima, Pinal | 45 min |
| Aug 14, 7:00 PM MST | Severe Thunderstorm Warning | TWC | Pima, Pinal | 45 min |
| Aug 14, 7:25 PM MST | Severe Thunderstorm Warning | TWC | Pima | 95 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.