Alert archive / Arizona / Flash Flood Warnings in 2014
Flash Flood Warning 71, NWS Tucson, AZ
NWS Tucson, AZ issued this flash flood warning at Sep 17, 2014, 8:38 AM MST for Graham County, Arizona. It was in force for 9 hr. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Sep 17, 2014, 8:38 AM MST (15:38 UTC)
- Expired
- Sep 17, 2014, 5:30 PM MST
- In force
- 9 hr
- Issued by
- NWS Tucson, AZ
- Area
- Storm-based polygon
- Flood severity
- None
County Graham County, AZ
The radar
The Tucson radar (KEMX), 127 km from the middle of the area, began a volume at 15:41 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 17, 10:28 AM MST | FLASH FLOOD | 1 Nne Pima, AZ | ASH CREEK IS RUNNING OVER BANKS AND INTO HOUSING AREA IN TOWN |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Tuscon, AZ (KDMA), launched 12:00Z, 3.6 hours before the alert went out and 123 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
- 301 J/kg
- Mixed-layer CIN
- -36 J/kg
- Mixed-layer LCL
- 1064 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- -1 m²/s²
- 0-3 km storm-relative helicity
- 49 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
653 WGUS55 KTWC 171538 FFWTWC AZC009-171830- /O.NEW.KTWC.FF.W.0071.140917T1538Z-140917T1830Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE TUCSON AZ 838 AM MST WED SEP 17 2014 THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A * FLASH FLOOD WARNING FOR... CENTRAL GRAHAM COUNTY IN SOUTHEAST ARIZONA... * UNTIL 1130 AM MST * AT 830 AM MST...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLASH FLOODING FROM RAINS THAT OCCURRED EARLIER THIS MORNING FROM AROUND FRYE MESA DAM TO THE TOWN OF PIMA. REPORTS FROM LAW ENFORCEMENT AS WELL AS A TRAINED SPOTTER INDICATE THAT WATER IS FLOWING RAPIDLY IN ASH CREEK WHICH HAS RESULTED IN THE CLOSURE OF CLUFF RANCH RD...WITH A FEW HOMES ALSO BEING IMPACTED BY THE HIGH WATERS. THE CLUFF RANCH ALERT GAUGE WHICH IS SOUTH OF PIMA REPORTED 2.6 INCHES OF RAIN DURING THE PAST SIX HOURS. PRECAUTIONARY/PREPAREDNESS ACTIONS... EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF WASHES AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. && LAT...LON 3290 10989 3292 10978 3272 10977 3270 10989 $$
2 follow-up statements
105 WGUS55 KTWC 171828 FFWTWC AZC009-180030- /O.EXT.KTWC.FF.W.0071.000000T0000Z-140918T0030Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE TUCSON AZ 1128 AM MST WED SEP 17 2014 THE NATIONAL WEATHER SERVICE IN TUCSON HAS EXTENDED THE * FLASH FLOOD WARNING FOR... CENTRAL GRAHAM COUNTY IN SOUTHEAST ARIZONA... * UNTIL 530 PM MST WEDNESDAY * AT 1112 AM MST...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED THAT FLASH FLOODING CONTINUES ACROSS CENTRAL PORTIONS OF GRAHAM COUNTY DUE TO HEAVY RAINS THAT OCCURRED EARLIER THIS MORNING ACROSS THE PINALENO MOUNTAINS. THE ALERT GAUGE AT CLUFF RANCH RESERVOIR RECEIVED 3.11 INCHES OF RAIN IN THE PAST 24 HOURS...WITH THE BULK OF THAT OCCURRING IN THE PAST 6 TO 8 HOURS. OFFICIALS FROM GRAHAM COUNTY INDICATED THAT CLUFF RANCH ROAD REMAINS CLOSED AT ASH CREEK. IN ADDITION...SEVERAL HOMES HAVE BEEN IMPACTED BY THE RISING WATER IN AND AROUND THE TOWN OF PIMA. WITH HEAVY RAIN STILL EXPECTED TO ADD TO THE SIGNIFICANT RAINFALL AMOUNTS FROM EARLIER TODAY...THE FLASH FLOOD WARNING HAS BEEN EXTENDED TO 530 PM MST THIS AFTERNOON. PRECAUTIONARY/PREPAREDNESS ACTIONS... EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF WASHES AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. && LAT...LON 3290 10989 3292 10978 3272 10977 3270 10989 $$
237 WGUS75 KTWC 180036 FFSTWC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 536 PM MST WED SEP 17 2014 AZC009-180044- /O.EXP.KTWC.FF.W.0071.000000T0000Z-140918T0030Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ GRAHAM AZ- 536 PM MST WED SEP 17 2014 ...THE FLASH FLOOD WARNING HAS EXPIRED FOR CENTRAL GRAHAM COUNTY... AT 534 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED SHOWERS AND THUNDERSTORMS THAT PRODUCED HEAVY RAINFALL EARLIER TODAY HAD MOVED NORTHEAST OF THE AREA. THE THREAT FOR HEAVY RAINFALL CAPABLE OF PRODUCING FLASH FLOODING HAD ENDED. THUS...THE FLASH FLOOD WARNING HAS BEEN ALLOWED TO EXPIRE. LAT...LON 3290 10989 3292 10978 3272 10977 3270 10989 $$ FRANCIS
The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 16, 5:32 PM MST | Areal Flood Advisory | TWC | Cochise | 118 min |
| Sep 16, 10:14 PM MST | Special Weather Statement | TWC | Cochise | 46 min |
| Sep 17, 12:01 AM MST | Severe Thunderstorm Warning | TWC | Cochise | 44 min |
| Sep 17, 12:10 AM MST | Areal Flood Advisory | TWC | Cochise, Pima, Santa Cruz | 110 min |
| Sep 17, 12:44 AM MST | Special Weather Statement | TWC | Cochise | 46 min |
| Sep 17, 1:07 AM MST | Areal Flood Advisory | TWC | Pima, Santa Cruz | 83 min |
| Sep 17, 1:15 AM MST | Flash Flood Warning | TWC | Pima | 2 hr |
| Sep 17, 1:01 PM MST | Areal Flood Advisory | TWC | Cochise, Pima | 89 min |
| Sep 17, 1:12 PM MST | Areal Flood Advisory | TWC | Cochise, Graham | 78 min |
| Sep 17, 2:09 PM MST | Areal Flood Advisory | TWC | Cochise, Santa Cruz | 3 hr |
| Sep 17, 4:04 PM MST | Areal Flood Advisory | TWC | Graham, Greenlee | 3 hr |
Nearby
Flash Flood Warnings in Arizona, 2014Every flash flood warning in 2014
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.