Alert archive / Arizona / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 12, NWS Tucson, AZ
NWS Tucson, AZ issued this severe thunderstorm warning at Aug 13, 1994, 1:53 PM MST for Santa Cruz County, Arizona. It was in force for 52 min.
The area
The counties it named.
The facts
- Issued
- Aug 13, 1994, 1:53 PM MST (20:53 UTC)
- Expired
- Aug 13, 1994, 2:45 PM MST
- In force
- 52 min
- Issued by
- NWS Tucson, AZ
- Area
- Whole counties
County Santa Cruz County, AZ
The nearest sounding before it
Tuscon, AZ (KTUS), launched 12:00Z, 8.9 hours before the alert went out and 72 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
- 484 J/kg
- Mixed-layer CIN
- -170 J/kg
- Mixed-layer LCL
- 1901 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- -10 m²/s²
- 0-3 km storm-relative helicity
- 81 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.9
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 13, 1:24 PM MST, 29 minutes before
AZZ009-010-132330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TUCSON ARIZONA 124 PM MST SAT AUG 13 1994 ...WIDESPREAD THUNDERSTORM DEVELOPMENT IS OCCURING OVER COCHISE, SANTA CRUZ, AND FAR EASTERN PIMA COUNTIES... AT 118 PM MST, NATIONAL WEATHER SERVICE RADAR AND LIGHTNING DETECTION SHOWED WIDESPREAD THUNDERSTORM DEVELOPMENT ACROSS COCHISE, SANTA CRUZ, AND FAR EASTERN PIMA COUNTY. THE STRONGEST DEVELOPMENT WAS OCCURING ABOUT 10 MILES NORTHWEST OF DOUGLAS AND ABOUT 5 MILES NORTH OF FORT HUACHUCA IN COCHISE COUNTY. ANOTHER CELL WAS LOCATED ABOUT 10 MILES NORTH OF NOGALES IN SANTA CRUZ COUNTY. THE THUNDERSTORMS WERE MOVING SLOWLY WEST AT ABOUT 10 MPH. LOCALIZED HEAVY RAINFALL, STRONG GUSTY WIND, AND OCCASIONAL CLOUD-TO-GROUND LIGHTNING STRIKES WERE DETECTED. A DOUGLAS WEATHER OBSERVER REPORTED WIND GUSTS TO 29 MPH AT 1257 PM. THUNDERSTORM DEVELOPMENT WILL BE ON THE INCREASE THIS AFTERNOON AND IS ANTICIPATED TO AFFECT EASTERN PIMA COUNTY, POSSIBLY INCLUDING THE GREATER TUCSON AREA IN THE LATE AFTERNOON HOURS. JAMES
Special weather statement, Aug 13, 1:25 PM MST, 28 minutes before
AZZ009-010-132330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TUCSON ARIZONA 124 PM MST SAT AUG 13 1994 ...WIDESPREAD THUNDERSTORM DEVELOPMENT IS OCCURING OVER COCHISE, SANTA CRUZ, AND FAR EASTERN PIMA COUNTIES... AT 118 PM MST, NATIONAL WEATHER SERVICE RADAR AND LIGHTNING DETECTION SHOWED WIDESPREAD THUNDERSTORM DEVELOPMENT ACROSS COCHISE, SANTA CRUZ, AND FAR EASTERN PIMA COUNTY. THE STRONGEST DEVELOPMENT WAS OCCURING ABOUT 10 MILES NORTHWEST OF DOUGLAS AND ABOUT 5 MILES NORTH OF FORT HUACHUCA IN COCHISE COUNTY. ANOTHER CELL WAS LOCATED ABOUT 10 MILES NORTH OF NOGALES IN SANTA CRUZ COUNTY. THE THUNDERSTORMS WERE MOVING SLOWLY WEST AT ABOUT 10 MPH. LOCALIZED HEAVY RAINFALL, STRONG GUSTY WIND, AND OCCASIONAL CLOUD-TO-GROUND LIGHTNING STRIKES WERE DETECTED. A DOUGLAS WEATHER OBSERVER REPORTED WIND GUSTS TO 29 MPH AT 1257 PM. THUNDERSTORM DEVELOPMENT WILL BE ON THE INCREASE THIS AFTERNOON AND IS ANTICIPATE|D TO AFFECT EASTERN PIMA COUNTY, POSSIBLY INCLUDING THE GREATER TUCSON AREA IN THE LATE AFTERNOON HOURS. JAMES
The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 13, 2:53 PM MST | Severe Thunderstorm Warning | TWC | Pima | 67 min |
| Aug 13, 3:55 PM MST | Severe Thunderstorm Warning | TWC | Pima | 50 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.