Alert archive / Arizona / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 46, NWS Phoenix, AZ
NWS Phoenix, AZ issued this severe thunderstorm warning at Aug 25, 1994, 6:17 PM MST for Pinal County, Arizona. It was in force for 58 min.
The area
The counties it named.
The facts
- Issued
- Aug 25, 1994, 6:17 PM MST (01:17 UTC)
- Expired
- Aug 25, 1994, 7:15 PM MST
- In force
- 58 min
- Issued by
- NWS Phoenix, AZ
- Area
- Whole counties
County Pinal County, AZ
The nearest sounding before it
Tuscon, AZ (KTUS), launched 00:00Z, 1.3 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
- 553 J/kg
- Mixed-layer CIN
- -56 J/kg
- Mixed-layer LCL
- 2202 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- 17 m²/s²
- 0-3 km storm-relative helicity
- 127 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Aug 25, 4:24 PM MST, 1 hour 53 minutes before
AZZ008-260100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PHOENIX AZ 430 PM MST THU AUG 25 1994 ...A CLUSTER OF STRONG THUNDERSTORMS DEVELOPING OVER THE MOUNTAINS NORTHEAST OF THE CITIES OF GLOBE AND MIAMI... A SMALL CLUSTER OF THUNDERSTORMS HAVE BEEN DEVELOPING NEAR THE SALT RIVER CANYON NORTHEAST OF GLOBE AND MIAMI SINCE 3 PM. MOST OF THESE STORMS WERE LOCATED IN THE REMOTE MOUNTAINS AND PRODUCING LOCALLIZED RAINFALL RATES ON THE ORDER OF 1 TO 1.5 INCHES PER HOUR. THESE THUNDERSTORMS WERE SLOWLY MOVING TO THE SOUTHWEST, AND COULD EVENTUALLY MOVE INTO THE VICINITY OF GLOBE/MIAMI AROUND 530 OR 6PM. MOTORISTS DRIVING ON STATE HIGHWAY 77, AND OTHERS NEAR GLOBE/MIAMI, SHOULD MONITOR WEATHER CONDITIONS IN THE AREA. BE PREPARED TO TAKE SHELTER IF THREATENING WEATHER APPROACHES. VASQUEZ
Special weather statement, Aug 25, 4:30 PM MST, 1 hour 47 minutes before
AZZ008-260100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PHOENIX AZ 430 PM MST THU AUG 25 1994 ...A CLUSTER OF STRONG THUNDERSTORMS DEVELOPING OVER THE MOUNTAINS NORTHEAST OF THE CITIES OF GLOBE AND MIAMI... A SMALL CLUSTER OF THUNDERSTORMS HAVE BEEN DEVELOPING NEAR THE SALT RIVER CANYON NORTHEAST OF GLOBE AND MIAMI SINCE 3 PM. MOST OF THESE STORMS WERE LOCATED IN THE REMOTE MOUNTAINS AND PRODUCING LOCALLIZED RAINFALL RATES ON THE ORDER OF 1 TO 1.5 INCHES PER HOUR. THESE THUNDERSTORMS WERE SLOWLY MOVING TO THE SOUTHWEST, AND COULD EVENTUALLY MOVE INTO THE VICINITY OF GLOBE/MIAMI AROUND 530 OR 6PM. MOTORISTS DRIVING ON STATE HIGHWAY 77, AND OTHERS NEAR GLOBE/MIAMI, SHOULD MONITOR WEATHER CONDITIONS IN THE AREA. BE PREPARED TO TAKE SHELTER IF THREATENING WEATHER APPROACHES. VASQUEZ
Special weather statement, Aug 25, 5:50 PM MST, 27 minutes before
AZZ010-260230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PHOENIX AZ 550 PM MST THU AUG 25 1994 ...STRONG THUNDERSTORMS IN EXTREME EAST PINAL COUNTY... AT 545 PM, PHOENIX DOPPLER RADAR DETECTED SCATTERED THUNDERSTORMS OVER PORTIONS OF EXTREME EAST PINAL COUNTY. THE STRONGEST THUNDERSTORM WAS CENTERED 10 MILES EAST OF WINKELMAN. MOVEMENT WAS TO THE SOUTH AT 10 MILES PER HOUR. THIS STORM WILL PRODUCE STRONG, GUSTY WINDS, LOCALLY HEAVY RAIN, AND SMALL HAIL, BUT SHOULD REMAIN MAINLY OVER OPEN COUNTRY EAST OF DUDLEYVILLE. A SECOND AREA OF STRONG STORMS EXTENDED FROM 5 MILES EAST OF MAMMOTH TO 10 MILES SOUTHEAST OF SAN MANUEL. THIS AREA WAS MOVING TO THE SOUTHWEST AT 10 TO 15 MILES PER HOUR. THE SAN MANUEL AREA WILL EXPERIENCE BRIEF, HEAVY RAIN AND WINDS OCCASIONALLY GUSTING TO 40 MILES PER HOUR BETWEEN 550 AND 630 PM MST. GREEN
Special weather statement, Aug 25, 6:13 PM MST, 4 minutes before
AZZ004-010-260200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PHOENIX AZ 613 PM MST THU AUG 25 1994 ...THUNDERSTORMS DEVELOPING RAPIDLY OVER NORTHEAST PINAL AND SOUTHERN GILA COUNTIES... AT 610 PM, PHOENIX DOPPLER RADAR DETECTED THUNDERSTORMS OVER NORTHEAST PINAL AND SOUTHERN GILA COUNTIES. THE STRONGEST STORM WAS LOCATED 13 MILES SOUTHEAST OF SUPERIOR. THIS STORM IS MOVING TO THE SOUTH AT 5 MILES PER HOUR. PERSONS IN THE COMMUNITIES OF KEARNY, RIVERSIDE, AND KELVIN CAN EXPECT BRIEF, HEAVY RAIN AND WINDS GUSTING TO 45 MILES PER HOUR BETWEEN 615 AND 645 PM. MOTORISTS ON STATE ROUTE 177 SHOULD BE PREPARED FOR RAPIDLY-CHANGING WEATHER CONDITIONS. LESS INTENSE STORMS WERE SCATTERED OVER FAR SOUTHERN GILA COUNTY. GREEN
The office that day
Everything else NWS Phoenix, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 25, 6:17 PM MST | Flash Flood Warning | PSR | Pinal | 58 min |
| Aug 26, 4:25 PM MST | Severe Thunderstorm Warning | PSR | Gila | 45 min |
Nearby
Severe Thunderstorm Warnings in Arizona, 1994Every severe thunderstorm warning in 1994
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.