Alert archive / North Carolina / Flash Flood Warnings in 2017
Flash Flood Warning 2, NWS Raleigh, NC
NWS Raleigh, NC issued this flash flood warning at Apr 25, 2017, 6:33 AM EDT for Wake County, North Carolina. It was in force for 4 hr. 7 reports 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
- Apr 25, 2017, 6:33 AM EDT (10:33 UTC)
- Expired
- Apr 25, 2017, 11:00 AM EDT
- In force
- 4 hr
- Issued by
- NWS Raleigh, NC
- Area
- Storm-based polygon
- Emergency
- Flash flood emergency
- Flood severity
- None
County Wake County, NC
The radar
The Raleigh/Durham radar (KRAX), 24 km from the middle of the area, began a volume at 10:35 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 |
|---|---|---|---|
| Apr 25, 8:30 AM EDT | FLASH FLOOD | 2 Ese Raleigh, NC | WATER RESCUE AT 2200 WAKE FOREST ROAD. POSSIBLE ELECTRIC CHARGE IN WATER. |
| Apr 25, 8:30 AM EDT | FLASH FLOOD | 2 Nnw Rdu International, NC | LUMLEY RD CLOSED BETWEEN I-540 AND BRIERCREEK PKWY |
| Apr 25, 8:55 AM EDT | FLASH FLOOD | 3 Ne Fuquay-Varina, NC | WATER RESCUE AT THE INTERSECTION OF JOHNSON POND ROAD AND BELLS LAKE ROAD. |
| Apr 25, 9:20 AM EDT | FLOOD | 4 Ssw Raleigh, NC | GORMAN STREET CLOSED DUE TO FLOODING BETWEEN TRYON RD AND AVENT FERRY RD. |
| Apr 25, 10:30 AM EDT | FLOOD | 2 E Raleigh, NC | SEVERAL ROADS REMAIN FLOODED IN THE WAKE FOREST AND CREEKSIDE DRIVE AREAS. |
| Apr 25, 10:30 AM EDT | FLOOD | 2 Nw Raleigh, NC | SEVERAL ROADS REMAIN FLOODED IN THE CRABTREE VALLEY AREA INCLUDING PORTIONS OF EDWARDS MILL AND BLUE RIDGE ROADS. |
| Apr 25, 10:35 AM EDT | FLASH FLOOD | 1 E Apex, NC | WATER RESCUE AT TEN TEN RD AND US 1 |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 10.6 hours before the alert went out and 116 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
- 7 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 436 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 366 m²/s²
- 0-3 km storm-relative helicity
- 354 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
195
WGUS52 KRAH 251033
FFWRAH
NCC183-251500-
/O.NEW.KRAH.FF.W.0002.170425T1033Z-170425T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Raleigh NC
633 AM EDT TUE APR 25 2017
...FLASH FLOOD EMERGENCY FOR CENTRAL WAKE COUNTY...
The National Weather Service in Raleigh has issued a
* Flash Flood Warning for...
Wake County in central North Carolina...
* Until 1100 AM EDT
* At 621 AM EDT, major flooding was occurring along Crabtree creek
at Glenwood Avenue, Anderson Drive, and Wake Forest Road. Law
enforcement has reported numerous additional road closures in
Raleigh and surrounding areas due to flooding. Flooding will
worsen during the rush hour commute this morning as additional
heavy rain tracks into Wake county from the east.
* Some locations that will experience flooding include...
Raleigh, Cary, Garner, Zebulon, Rdu International, Apex, Holly
Springs, Morrisville, Knightdale and Wendell.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This is an extremely dangerous and life-threatening situation. Do
not attempt to travel unless you are fleeing an area subject to
flooding or under an evacuation order.
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3594 7858 3596 7841 3585 7827 3581 7826
3572 7843 3571 7847 3556 7865 3568 7897
3586 7890 3587 7889 3587 7883 3592 7881
3593 7880 3592 7876 3598 7871
$$
VINCENT3 follow-up statements
683
WGUS72 KRAH 251047
FFSRAH
Flash Flood Statement
National Weather Service Raleigh NC
647 AM EDT TUE APR 25 2017
NCC183-251500-
/O.CON.KRAH.FF.W.0002.000000T0000Z-170425T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Wake NC-
647 AM EDT TUE APR 25 2017
...THIS IS A FLASH FLOOD EMERGENCY FOR CENTRAL WAKE COUNTY...
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1100 AM EDT FOR
WAKE COUNTY...
At 645 AM EDT, major flooding was occurring along Crabtree creek at
Glenwood Avenue, Anderson Drive, and Wake Forest Road. Law
enforcement has reported numerous additional road closures in the
city of Raleigh and surrounding areas due to flooding. Flooding will
worsen during the rush hour commute this morning as additional heavy
rain tracks into Wake county from the east.
This is a FLASH FLOOD EMERGENCY for central Wake County, including
the city of Raleigh. This is a PARTICULARLY DANGEROUS SITUATION.
SEEK HIGHER GROUND NOW!
Some locations that will experience flooding include...
Raleigh, Cary, Garner, Zebulon, Rdu International, Apex, Holly
Springs, Morrisville, Knightdale and Wendell.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Life threatening flash flooding is occurring across the area. Do not
attempt to travel unless you must do so to escape the flooding or
are under an evacuation order. If you are in a low lying area, along
a creek or stream, or in an area experiencing flooding, take action
now to protect your life. Move to higher ground immediately.
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3594 7858 3596 7841 3585 7827 3581 7826
3572 7843 3571 7847 3556 7865 3568 7897
3586 7890 3587 7889 3587 7883 3592 7881
3593 7880 3592 7876 3598 7871
$$
VINCENT743
WGUS72 KRAH 251244
FFSRAH
Flash Flood Statement
National Weather Service Raleigh NC
844 AM EDT TUE APR 25 2017
NCC183-251500-
/O.CON.KRAH.FF.W.0002.000000T0000Z-170425T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Wake NC-
844 AM EDT TUE APR 25 2017
...THIS IS A FLASH FLOOD EMERGENCY FOR CENTRAL WAKE COUNTY...
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1100 AM EDT FOR
WAKE COUNTY...
At 829 AM EDT, major flooding continues in Wake County along
Crabtree creek at Glenwood Avenue, Anderson Drive, and Wake Forest
Road. There are numerous roads closed throughout the city of Raleigh
and surrounding areas. Water rises on Crabtree Creek have slowed in
the past hour as rainfall rates have decreased. However, another
area of moderate to heavy rain is approaching the city and an
additional inch of rainfall will prolong the flooding through at
least midday.
This is a FLASH FLOOD EMERGENCY for the Central Wake County,
including the city of Raleigh. This is a PARTICULARLY DANGEROUS
SITUATION. SEEK HIGHER GROUND NOW!
Some locations that will experience flooding include...
Raleigh, Cary, Garner, Zebulon, Rdu International, Apex, Holly
Springs, Morrisville, Knightdale and Wendell.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Life threatening flash flooding is occurring across the area. Do not
attempt to travel unless you must do so to escape the flooding or are
under an evacuation order. If you are in a low lying area, along a
creek or stream, or in an area experiencing flooding, take action now
to protect your life. Move to higher ground immediately.
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3594 7858 3596 7841 3585 7827 3581 7826
3572 7843 3571 7847 3556 7865 3568 7897
3586 7890 3587 7889 3587 7883 3592 7881
3593 7880 3592 7876 3598 7871
$$
22012
WGUS72 KRAH 251502
FFSRAH
Flash Flood Statement
National Weather Service Raleigh NC
1102 AM EDT TUE APR 25 2017
NCC183-251510-
/O.EXP.KRAH.FF.W.0002.000000T0000Z-170425T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Wake NC-
1102 AM EDT TUE APR 25 2017
...THE FLASH FLOOD WARNING FOR WAKE COUNTY HAS EXPIRED...
The heavy rain has ended over Wake County. However, Crabtree Creek
and many area creeks are still out of their banks and travel is
still considered dangerous in many spots. Please continue to heed
any remaining road closures.
LAT...LON 3594 7858 3596 7841 3585 7827 3581 7826
3572 7843 3571 7847 3556 7865 3568 7897
3586 7890 3587 7889 3587 7883 3592 7881
3593 7880 3592 7876 3598 7871
$$
22The office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 24, 8:07 PM EDT | Areal Flood Advisory | RAH | Edgecombe, Franklin, Granville, Nash, Person, Wilson | 6 hr |
| Apr 24, 9:50 PM EDT | Areal Flood Warning | RAH | Durham, Edgecombe, Franklin, Granville, Nash, Person and 2 more | 14 hr |
| Apr 24, 11:02 PM EDT | River Flood Warning | RAH | Johnston | 5 days |
| Apr 24, 11:02 PM EDT | River Flood Warning | RAH | Johnston | 61 hr |
| Apr 25, 1:12 AM EDT | Flash Flood Warning | RAH | Wake | 6 hr |
| Apr 25, 1:16 AM EDT | Areal Flood Warning | RAH | Alamance, Chatham, Davidson, Forsyth, Guilford, Harnett and 3 more | 6 hr |
| Apr 25, 7:38 AM EDT | Areal Flood Warning | RAH | Chatham, Orange | 4 hr |
| Apr 25, 9:39 AM EDT | River Flood Warning | RAH | Edgecombe, Halifax, Nash | 4 days |
| Apr 25, 9:47 AM EDT | River Flood Warning | RAH | Edgecombe | 5 days |
| Apr 25, 10:54 AM EDT | River Flood Warning | RAH | Harnett | 38 hr |
| Apr 25, 10:54 AM EDT | River Flood Warning | RAH | Cumberland | 61 hr |
| Apr 25, 11:04 AM EDT | River Flood Warning | RAH | Wayne | 10 days |
| Apr 25, 11:39 AM EDT | Areal Flood Warning | RAH | Chatham, Durham, Edgecombe, Franklin, Granville, Johnston and 6 more | 24 hr |
Nearby
Flash Flood Warnings in North Carolina, 2017Every flash flood warning in 2017
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.