Alert archive / Arizona / Tornado Warnings in 1994
Tornado Warning 1, NWS Phoenix, AZ
NWS Phoenix, AZ issued this tornado warning at Mar 7, 1994, 1:46 PM MST for Pinal County, Arizona. It was in force for 34 min.
The area
The counties it named.
The facts
- Issued
- Mar 7, 1994, 1:46 PM MST (20:46 UTC)
- Expired
- Mar 7, 1994, 2:20 PM MST
- In force
- 34 min
- Issued by
- NWS Phoenix, AZ
- Area
- Whole counties
County Pinal County, AZ
The nearest sounding before it
Tuscon, AZ (KTUS), launched 12:00Z, 8.8 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2609 m above ground
- 0-6 km bulk shear
- 76 kt
- 0-1 km storm-relative helicity
- 64 m²/s²
- 0-3 km storm-relative helicity
- 187 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 KPHX 072047 RRA
TORPHX
AZC021-072120-
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PHOENIX AZ
146 PM MST MON MAR 7 1994
THE NATIONAL WEATHER SERVICE IN PHOENIX AZ HAS ISSUED A TORNADO WARNING
EFFECTIVE UNTIL 220 PM MST FOR PEOPLE IN THE FOLLOWING LOCATIONS...
IN SOUTH CENTRAL ARIZONA
...EXTREME WESTERN PINAL COUNTY
INCLUDING INTERSTATE 8
AT 1:28 PM MST A PILOT REPORT INDICATED A TORNADO 30 MILES SOUTH OF SKY
HARBOR AIRPORT. THE TORNADO IS EXPECTED TO MOVE NORTH AND DISSIPATE.
DO NOT WATCH THE TORNADO...SEEK SHELTER IMMEDIATELY.
IF INDOORS...GO TO A SMALL INTERIOR ROOM ON THE LOWEST FLOOR POSSIBLE.
AVOID WINDOWS.
DO NOT USE YOUR CAR TO TRY TO OUTRUN A TORNADO. LEAVE THE CAR AND GO TO
A STRONG BUILDING OR SEEK SHELTER IN A DITCH OR LOW SPOT.
IF YOU ARE IN THE PATH OF A TORNADO...SEEK SHELTER IMMEDIATELY.
WILTWhat forecasters said that day
The local office's own words before this tornado 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, Mar 7, 8:57 AM MST, 4 hours 49 minutes before
AZZ007-071900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE YUMA AZ 857 AM MST MON MAR 7 1994 ...MORE THUNDERSTORMS IN STORE FOR SOUTHWEST ARIZONA... AN UPPER LEVEL LOW PRESSURE SYSTEM LOCATED JUST WEST OF EXTREME NORTHERN BAJA CALIFORNIA WILL DRIFT TOWARD SOUTHWEST ARIZONA TODAY, BRINGING THE THREAT OF MORE THUNDERSTORMS. EARLY THIS MORNING, THUNDERSTORMS BROUGHT HEAVY RAIN TO PORTIONS LA PAZ COUNTY, WITH RAINFALLL REPORTS RANGING FROM AROUND 0.5 INCHES IN PARKER TO 0.8 INCHES IN QUARTZSITE. LIGHTNING HIT A TRANSMITTER IN THE QUARTZSITE AREA AND LEFT PART OF THE TOWN WITHOUT POWER. THE SHERIFF'S OFFICE IN PARKER REPORTED THAT MANY WASHES IN THE AREA WERE RUNNING WITH WATER, BUT WITH NO INDICATIONS OF MAJOR FLOODING. HOWEVER, WITH THE EXPECTED ADDITONAL THUNDERSTORM ACTIVITY LATER TODAY, SOME OF THE LOW SPOTS ON AREA ROADS WILL LIKELY BECOME FLOODED, ESPECIALLY IN LA PAZ COUNTY. MOTORIST ARE ADVISED TO USE EXTREME CAUTION TODAY WHEN TRAVELING, ESPECIALLY ON HIGHWAYS 95, 72 AND 60 IN LA PAZ COUNTY. HOWEVER, ANY WHERE IN YUMA OR LA PAZ COUNTIES TODAY COULD RECEIVE A THUNDERSTORM WITH HEAVY RAIN, SMALL HAIL, DEADLY LIGHTNING AND STRONG, GUSTY WINDS. IF YOU ARE OUTDOORS...MOVE TO A PLACE OF SHELTER IMMEDIATELY IF A STORM APPROACHES. MOTORISTS SHOULD REMAIN ALERT FOR REDUCED VISIBILITIES DURING DOWNPOURS OF RAIN. STREETS MAY FLOOD QUICKLY. & FAUSETT
Special weather statement, Mar 7, 8:57 AM MST, 4 hours 49 minutes before
AZZ007-071900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE YUMA AZ 857 AM MST MON MAR 7 1994 ...MORE THUNDERSTORMS IN STORE FOR SOUTHWEST ARIZONA... AN UPPER LEVEL LOW PRESSURE SYSTEM LOCATED JUST WEST OF EXTREME NORTHERN BAJA CALIFORNIA WILL DRIFT TOWARD SOUTHWEST ARIZONA TODAY, BRINGING THE THREAT OF MORE THUNDERSTORMS. EARLY THIS MORNING, THUNDERSTORMS BROUGHT HEAVY RAIN TO PORTIONS LA PAZ COUNTY, WITH RAINFALLL REPORTS RANGING FROM AROUND 0.5 INCHES IN PARKER TO 0.8 INCHES IN QUARTZSITE. LIGHTNING HIT A TRANSMITTER IN THE QUARTZSITE AREA AND LEFT PART OF THE TOWN WITHOUT POWER. THE SHERIFF'S OFFICE IN PARKER REPORTED THAT MANY WASHES IN THE AREA WERE RUNNING WITH WATER, BUT WITH NO INDICATIONS OF MAJOR FLOODING. HOWEVER, WITH THE EXPECTED ADDITONAL THUNDERSTORM ACTIVITY LATER TODAY, SOME OF THE LOW SPOTS ON AREA ROADS WILL LIKELY BECOME FLOODED, ESPECIALLY IN LA PAZ COUNTY. MOTORIST ARE ADVISED TO USE EXTREME CAUTION TODAY WHEN TRAVELING, ESPECIALLY ON HIGHWAYS 95, 72 AND 60 IN LA PAZ COUNTY. HOWEVER, ANY WHERE IN YUMA OR LA PAZ COUNTIES TODAY COULD RECEIVE A THUNDERSTORM WITH HEAVY RAIN, SMALL HAIL, DEADLY LIGHTNING AND STRONG, GUSTY WINDS. IF YOU ARE OUTDOORS...MOVE TO A PLACE OF SHELTER IMMEDIATELY IF A STORM APPROACHES. MOTORISTS SHOULD REMAIN ALERT FOR REDUCED VISIBILITIES DURING DOWNPOURS OF RAIN. STREETS MAY FLOOD QUICKLY. & FAUSETT
Special weather statement, Mar 7, 8:58 AM MST, 4 hours 48 minutes before
AZZ007-071900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE YUMA AZ 857 AM MST MON MAR 7 1994 ...MORE THUNDERSTORMS IN STORE FOR SOUTHWEST ARIZONA... AN UPPER LEVEL LOW PRESSURE SYSTEM LOCATED JUST WEST OF EXTREME NORTHERN BAJA CALIFORNIA WILL DRIFT TOWARD SOUTHWEST ARIZONA TODAY, BRINGING THE THREAT OF MORE THUNDERSTORMS. EARLY THIS MORNING, THUNDERSTORMS BROUGHT HEAVY RAIN TO PORTIONS LA PAZ COUNTY, WITH RAINFALLL REPORTS RANGING FROM AROUND 0.5 INCHES IN PARKER TO 0.8 INCHES IN QUARTZSITE. LIGHTNING HIT A TRANSMITTER IN THE QUARTZSITE AREA AND LEFT PART OF THE TOWN WITHOUT POWER. THE SHERIFF'S OFFICE IN PARKER REPORTED THAT MANY WASHES IN THE AREA WERE RUNNING WITH WATER, BUT WITH NO INDICATIONS OF MAJOR FLOODING. HOWEVER, WITH THE EXPECTED ADDITONAL THUNDERSTORM ACTIVITY LATER TODAY, SOME OF THE LOW SPOTS ON AREA ROADS WILL LIKELY BECOME FLOODED, ESPECIALLY IN LA PAZ COUNTY. MOTORIST ARE ADVISED TO USE EXTREME CAUTION TODAY WHEN TRAVELING, ESPECIALLY ON HIGHWAYS 95, 72 AND 60 IN LA PAZ COUNTY. HOWEVER, ANY WHERE IN YUMA OR LA PAZ COUNTIES TODAY COULD RECEIVE A THUNDERSTORM WITH HEAVY RAIN, SMALL HAIL, DEADLY LIGHTNING AND STRONG, GUSTY WINDS. IF YOU ARE OUTDOORS...MOVE TO A PLACE OF SHELTER IMMEDIATELY IF A STORM APPROACHES. MOTORISTS SHOULD REMAIN ALERT FOR REDUCED VISIBILITIES DURING DOWNPOURS OF RAIN. STREETS MAY FLOOD QUICKLY. & FAUSETT
Special weather statement, Mar 7, 12:58 PM MST, 48 minutes before
AZZALL-080200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PHOENIX AZ 100 PM MST MON MAR 7 1994 ...THUNDERSTORMS DEVELOPING JUST WEST OF THE PHOENIX METRO AREA... AN APPROACHING PACIFIC WEATHER SYSTEM CENTERED JUST OFF THE NORTHWEST BAJA COAST HAS TRIGGERED SHOWERS AND A FEW THUNDERSTORMS ACROSS MUCH OF SOUTHERN AND CENTRAL ARIZONA. A LINE OF SHOWERS AND THUNDERSTORMS HAS DEVELOPED DURING THE PAST HOUR ABOUT 30 MILES WEST OF THE PHOENIX METROPOLITAN AREA. DURING THE PAST 45 MINUTES, TWO-THIRDS OF AN INCH OF RAIN HAS FALLEN AT WITTMAN, AND ONE-QUARTER TO ONE-HALF INCH AMOUNTS HAVE BEEN REPORTED AT SEVERAL OTHER SITES WEST OF PHOENIX. THIS BAND OF SHOWERS SHOULD MOVE TOWARD THE NORTHEAST AND AFFECT THE PHOENIX METRO AREA DURING THE NEXT 1-2 HOURS, BRINGING THE THREAT OF LOCALLY HEAVY RAIN, GUSTY WINDS, SMALL HAIL, AND INTENSE LIGHTNING. A 30-MILE WIDE BAND OF LIGHT RAIN SHOWERS EXTENDED FROM TUCSON TO PAYSON. INDIVIDUAL SHOWERS WERE MOVING TO THE NORTH AT 25 MILES PER HOUR, BUT THE RAINBAND WAS NEARLY STATIONARY. ACROSS THE EAST VALLEY, RAINFALL AMOUNTS OF THREE TO FOUR TENTHS OF AN INCH HAVE BEEN REPORTED WITH THIS BAND OF PRECIPITATION. FOUR TENTHS OF AN INCH HAS FALLEN IN THE MCDOWELL MOUNTAINS ABOUT 30 MILES NORTH OF PHOENIX, WHILE ABOUT ONE- THIRD OF AN INCH HAS FALLEN IN THE HUMBOLDT MOUNTAINS NORTH OF CAVE CREEK AND AT SPOOKHILL PARK IN NORTHEAST MESA. LIGHT RAIN WILL CONTINUE WITH THIS BAN:D FOR THE NEXT COUPLE OF HOURS. GREEN
Special weather statement, Mar 7, 1:00 PM MST, 46 minutes before
AZZALL-080200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PHOENIX AZ 100 PM MST MON MAR 7 1994 ...THUNDERSTORMS DEVELOPING JUST WEST OF THE PHOENIX METRO AREA... AN APPROACHING PACIFIC WEATHER SYSTEM CENTERED JUST OFF THE NORTHWEST BAJA COAST HAS TRIGGERED SHOWERS AND A FEW THUNDERSTORMS ACROSS MUCH OF SOUTHERN AND CENTRAL ARIZONA. A LINE OF SHOWERS AND THUNDERSTORMS HAS DEVELOPED DURING THE PAST HOUR ABOUT 30 MILES WEST OF THE PHOENIX METROPOLITAN AREA. DURING THE PAST 45 MINUTES, TWO-THIRDS OF AN INCH OF RAIN HAS FALLEN AT WITTMAN, AND ONE-QUARTER TO ONE-HALF INCH AMOUNTS HAVE BEEN REPORTED AT SEVERAL OTHER SITES WEST OF PHOENIX. THIS BAND OF SHOWERS SHOULD MOVE TOWARD THE NORTHEAST AND AFFECT THE PHOENIX METRO AREA DURING THE NEXT 1-2 HOURS, BRINGING THE THREAT OF LOCALLY HEAVY RAIN, GUSTY WINDS, SMALL HAIL, AND INTENSE LIGHTNING. A 30-MILE WIDE BAND OF LIGHT RAIN SHOWERS EXTENDED FROM TUCSON TO PAYSON. INDIVIDUAL SHOWERS WERE MOVING TO THE NORTH AT 25 MILES PER HOUR, BUT THE RAINBAND WAS NEARLY STATIONARY. ACROSS THE EAST VALLEY, RAINFALL AMOUNTS OF THREE TO FOUR TENTHS OF AN INCH HAVE BEEN REPORTED WITH THIS BAND OF PRECIPITATION. FOUR TENTHS OF AN INCH HAS FALLEN IN THE MCDOWELL MOUNTAINS ABOUT 30 MILES NORTH OF PHOENIX, WHILE ABOUT ONE- THIRD OF AN INCH HAS FALLEN IN THE HUMBOLDT MOUNTAINS NORTH OF CAVE CREEK AND AT SPOOKHILL PARK IN NORTHEAST MESA. LIGHT RAIN WILL CONTINUE WITH THIS BAND FOR THE NEXT COUPLE OF HOURS. GREEN
The office that day
Everything else NWS Phoenix, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 7, 2:32 PM MST | Severe Thunderstorm Warning | PSR | Pinal | 63 min |
| Mar 7, 3:05 PM MST | Flash Flood Warning | PSR | La Paz | 3 hr |
| Mar 7, 3:20 PM MST | Severe Thunderstorm Warning | PSR | Maricopa | 65 min |
| Mar 7, 3:27 PM MST | Severe Thunderstorm Warning | PSR | Pinal | 63 min |
| Mar 7, 4:34 PM MST | Severe Thunderstorm Warning | PSR | Pinal | 46 min |
Nearby
Tornado Warnings in Arizona, 1994Every tornado warning in 1994Tornadoes 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.